66779475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 126896640

約数和(自身を除く): 60117165

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 311, 409, 525, 933, 1227, 1555, 2045, 2177, 2863, 4665, 6135, 6531, 7775, 8589, 10225, 10885, 14315, 23325, 30675, 32655, 42945, 54425, 71575, 127199, 163275, 214725, 381597, 635995, 890393, 1907985, 2671179, 3179975, 4451965, 9539925, 13355895, 22259825, 66779475]

約数ペア:

[(1, 66779475), (3, 22259825), (5, 13355895), (7, 9539925), (15, 4451965), (21, 3179975), (25, 2671179), (35, 1907985), (75, 890393), (105, 635995), (175, 381597), (311, 214725), (409, 163275), (525, 127199), (933, 71575), (1227, 54425), (1555, 42945), (2045, 32655), (2177, 30675), (2863, 23325), (4665, 14315), (6135, 10885), (6531, 10225), (7775, 8589)]