231990913

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 295511040

約数和(自身を除く): 63520127

約数列:

[1, 7, 11, 77, 109, 131, 211, 763, 917, 1199, 1441, 1477, 2321, 8393, 10087, 14279, 16247, 22999, 27641, 99953, 157069, 160993, 193487, 252989, 304051, 1099483, 1770923, 2128357, 3012869, 21090083, 33141559, 231990913]

約数ペア:

[(1, 231990913), (7, 33141559), (11, 21090083), (77, 3012869), (109, 2128357), (131, 1770923), (211, 1099483), (763, 304051), (917, 252989), (1199, 193487), (1441, 160993), (1477, 157069), (2321, 99953), (8393, 27641), (10087, 22999), (14279, 16247)]