61258875

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 108725760

約数和(自身を除く): 47466885

約数列:

[1, 3, 5, 15, 25, 29, 43, 75, 87, 125, 129, 131, 145, 215, 375, 393, 435, 645, 655, 725, 1075, 1247, 1965, 2175, 3225, 3275, 3625, 3741, 3799, 5375, 5633, 6235, 9825, 10875, 11397, 16125, 16375, 16899, 18705, 18995, 28165, 31175, 49125, 56985, 84495, 93525, 94975, 140825, 155875, 163357, 284925, 422475, 467625, 474875, 490071, 704125, 816785, 1424625, 2112375, 2450355, 4083925, 12251775, 20419625, 61258875]

約数ペア:

[(1, 61258875), (3, 20419625), (5, 12251775), (15, 4083925), (25, 2450355), (29, 2112375), (43, 1424625), (75, 816785), (87, 704125), (125, 490071), (129, 474875), (131, 467625), (145, 422475), (215, 284925), (375, 163357), (393, 155875), (435, 140825), (645, 94975), (655, 93525), (725, 84495), (1075, 56985), (1247, 49125), (1965, 31175), (2175, 28165), (3225, 18995), (3275, 18705), (3625, 16899), (3741, 16375), (3799, 16125), (5375, 11397), (5633, 10875), (6235, 9825)]