139772409

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 217374720

約数和(自身を除く): 77602311

約数列:

[1, 3, 7, 21, 79, 173, 237, 487, 519, 553, 1211, 1461, 1659, 3409, 3633, 10227, 13667, 38473, 41001, 84251, 95669, 115419, 252753, 269311, 287007, 589757, 807933, 1769271, 6655829, 19967487, 46590803, 139772409]

約数ペア:

[(1, 139772409), (3, 46590803), (7, 19967487), (21, 6655829), (79, 1769271), (173, 807933), (237, 589757), (487, 287007), (519, 269311), (553, 252753), (1211, 115419), (1461, 95669), (1659, 84251), (3409, 41001), (3633, 38473), (10227, 13667)]