2564325

素因数分解:

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

素因数の和:179

約数の個数: 48

約数和(自身を含む): 4910400

約数和(自身を除く): 2346075

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 131, 135, 145, 225, 261, 393, 435, 655, 675, 725, 783, 1179, 1305, 1965, 2175, 3275, 3537, 3799, 3915, 5895, 6525, 9825, 11397, 17685, 18995, 19575, 29475, 34191, 56985, 88425, 94975, 102573, 170955, 284925, 512865, 854775, 2564325]

約数ペア:

[(1, 2564325), (3, 854775), (5, 512865), (9, 284925), (15, 170955), (25, 102573), (27, 94975), (29, 88425), (45, 56985), (75, 34191), (87, 29475), (131, 19575), (135, 18995), (145, 17685), (225, 11397), (261, 9825), (393, 6525), (435, 5895), (655, 3915), (675, 3799), (725, 3537), (783, 3275), (1179, 2175), (1305, 1965)]