61309281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 91570176

約数和(自身を除く): 30260895

約数列:

[1, 3, 11, 33, 71, 137, 191, 213, 411, 573, 781, 1507, 2101, 2343, 4521, 6303, 9727, 13561, 26167, 29181, 40683, 78501, 106997, 149171, 287837, 320991, 447513, 863511, 1857857, 5573571, 20436427, 61309281]

約数ペア:

[(1, 61309281), (3, 20436427), (11, 5573571), (33, 1857857), (71, 863511), (137, 447513), (191, 320991), (213, 287837), (411, 149171), (573, 106997), (781, 78501), (1507, 40683), (2101, 29181), (2343, 26167), (4521, 13561), (6303, 9727)]