64325775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 111580160

約数和(自身を除く): 47254385

約数列:

[1, 3, 5, 15, 25, 31, 73, 75, 93, 155, 219, 365, 379, 465, 775, 1095, 1137, 1825, 1895, 2263, 2325, 5475, 5685, 6789, 9475, 11315, 11749, 27667, 28425, 33945, 35247, 56575, 58745, 83001, 138335, 169725, 176235, 293725, 415005, 691675, 857677, 881175, 2075025, 2573031, 4288385, 12865155, 21441925, 64325775]

約数ペア:

[(1, 64325775), (3, 21441925), (5, 12865155), (15, 4288385), (25, 2573031), (31, 2075025), (73, 881175), (75, 857677), (93, 691675), (155, 415005), (219, 293725), (365, 176235), (379, 169725), (465, 138335), (775, 83001), (1095, 58745), (1137, 56575), (1825, 35247), (1895, 33945), (2263, 28425), (2325, 27667), (5475, 11749), (5685, 11315), (6789, 9475)]