245320425

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 536215680

約数和(自身を除く): 290895255

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 41, 45, 63, 75, 87, 105, 123, 131, 145, 175, 203, 205, 225, 261, 287, 315, 369, 393, 435, 525, 609, 615, 655, 725, 861, 917, 1015, 1025, 1179, 1189, 1305, 1435, 1575, 1827, 1845, 1965, 2175, 2583, 2751, 3045, 3075, 3275, 3567, 3799, 4305, 4585, 5075, 5371, 5895, 5945, 6525, 7175, 8253, 8323, 9135, 9225, 9825, 10701, 11397, 12915, 13755, 15225, 16113, 17835, 18995, 21525, 22925, 24969, 26593, 26855, 29475, 29725, 34191, 37597, 41265, 41615, 45675, 48339, 53505, 56985, 64575, 68775, 74907, 79779, 80565, 89175, 94975, 112791, 124845, 132965, 134275, 155759, 170955, 187985, 206325, 208075, 239337, 241695, 267525, 284925, 338373, 374535, 398895, 402825, 467277, 563955, 624225, 664825, 778795, 854775, 939925, 1090313, 1196685, 1208475, 1401831, 1691865, 1872675, 1994475, 2336385, 2819775, 3270939, 3893975, 5451565, 5983425, 7009155, 8459325, 9812817, 11681925, 16354695, 27257825, 35045775, 49064085, 81773475, 245320425]

約数ペア:

[(1, 245320425), (3, 81773475), (5, 49064085), (7, 35045775), (9, 27257825), (15, 16354695), (21, 11681925), (25, 9812817), (29, 8459325), (35, 7009155), (41, 5983425), (45, 5451565), (63, 3893975), (75, 3270939), (87, 2819775), (105, 2336385), (123, 1994475), (131, 1872675), (145, 1691865), (175, 1401831), (203, 1208475), (205, 1196685), (225, 1090313), (261, 939925), (287, 854775), (315, 778795), (369, 664825), (393, 624225), (435, 563955), (525, 467277), (609, 402825), (615, 398895), (655, 374535), (725, 338373), (861, 284925), (917, 267525), (1015, 241695), (1025, 239337), (1179, 208075), (1189, 206325), (1305, 187985), (1435, 170955), (1575, 155759), (1827, 134275), (1845, 132965), (1965, 124845), (2175, 112791), (2583, 94975), (2751, 89175), (3045, 80565), (3075, 79779), (3275, 74907), (3567, 68775), (3799, 64575), (4305, 56985), (4585, 53505), (5075, 48339), (5371, 45675), (5895, 41615), (5945, 41265), (6525, 37597), (7175, 34191), (8253, 29725), (8323, 29475), (9135, 26855), (9225, 26593), (9825, 24969), (10701, 22925), (11397, 21525), (12915, 18995), (13755, 17835), (15225, 16113)]