31609875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 58705920

約数和(自身を除く): 27096045

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 79, 97, 125, 165, 237, 275, 291, 375, 395, 485, 825, 869, 1067, 1185, 1375, 1455, 1975, 2425, 2607, 3201, 4125, 4345, 5335, 5925, 7275, 7663, 9875, 12125, 13035, 16005, 21725, 22989, 26675, 29625, 36375, 38315, 65175, 80025, 84293, 108625, 114945, 133375, 191575, 252879, 325875, 400125, 421465, 574725, 957875, 1264395, 2107325, 2873625, 6321975, 10536625, 31609875]

約数ペア:

[(1, 31609875), (3, 10536625), (5, 6321975), (11, 2873625), (15, 2107325), (25, 1264395), (33, 957875), (55, 574725), (75, 421465), (79, 400125), (97, 325875), (125, 252879), (165, 191575), (237, 133375), (275, 114945), (291, 108625), (375, 84293), (395, 80025), (485, 65175), (825, 38315), (869, 36375), (1067, 29625), (1185, 26675), (1375, 22989), (1455, 21725), (1975, 16005), (2425, 13035), (2607, 12125), (3201, 9875), (4125, 7663), (4345, 7275), (5335, 5925)]