28090125

素因数分解:

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

素因数の和:101

約数の個数: 128

約数和(自身を含む): 62899200

約数和(自身を除く): 34809075

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 29, 35, 41, 45, 63, 75, 87, 105, 123, 125, 135, 145, 175, 189, 203, 205, 225, 261, 287, 315, 369, 375, 435, 525, 609, 615, 675, 725, 783, 861, 875, 945, 1015, 1025, 1107, 1125, 1189, 1305, 1435, 1575, 1827, 1845, 2175, 2583, 2625, 3045, 3075, 3375, 3567, 3625, 3915, 4305, 4725, 5075, 5125, 5481, 5535, 5945, 6525, 7175, 7749, 7875, 8323, 9135, 9225, 10701, 10875, 12915, 15225, 15375, 17835, 19575, 21525, 23625, 24969, 25375, 27405, 27675, 29725, 32103, 32625, 35875, 38745, 41615, 45675, 46125, 53505, 64575, 74907, 76125, 89175, 97875, 107625, 124845, 137025, 138375, 148625, 160515, 193725, 208075, 224721, 228375, 267525, 322875, 374535, 445875, 624225, 685125, 802575, 968625, 1040375, 1123605, 1337625, 1872675, 3121125, 4012875, 5618025, 9363375, 28090125]

約数ペア:

[(1, 28090125), (3, 9363375), (5, 5618025), (7, 4012875), (9, 3121125), (15, 1872675), (21, 1337625), (25, 1123605), (27, 1040375), (29, 968625), (35, 802575), (41, 685125), (45, 624225), (63, 445875), (75, 374535), (87, 322875), (105, 267525), (123, 228375), (125, 224721), (135, 208075), (145, 193725), (175, 160515), (189, 148625), (203, 138375), (205, 137025), (225, 124845), (261, 107625), (287, 97875), (315, 89175), (369, 76125), (375, 74907), (435, 64575), (525, 53505), (609, 46125), (615, 45675), (675, 41615), (725, 38745), (783, 35875), (861, 32625), (875, 32103), (945, 29725), (1015, 27675), (1025, 27405), (1107, 25375), (1125, 24969), (1189, 23625), (1305, 21525), (1435, 19575), (1575, 17835), (1827, 15375), (1845, 15225), (2175, 12915), (2583, 10875), (2625, 10701), (3045, 9225), (3075, 9135), (3375, 8323), (3567, 7875), (3625, 7749), (3915, 7175), (4305, 6525), (4725, 5945), (5075, 5535), (5125, 5481)]