31177993

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 41518080

約数和(自身を除く): 10340087

約数列:

[1, 7, 11, 19, 77, 101, 133, 209, 211, 707, 1111, 1463, 1477, 1919, 2321, 4009, 7777, 13433, 16247, 21109, 21311, 28063, 44099, 147763, 149177, 234421, 308693, 404909, 1640947, 2834363, 4453999, 31177993]

約数ペア:

[(1, 31177993), (7, 4453999), (11, 2834363), (19, 1640947), (77, 404909), (101, 308693), (133, 234421), (209, 149177), (211, 147763), (707, 44099), (1111, 28063), (1463, 21311), (1477, 21109), (1919, 16247), (2321, 13433), (4009, 7777)]