66887751

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 104537088

約数和(自身を除く): 37649337

約数列:

[1, 3, 7, 21, 71, 113, 213, 339, 397, 497, 791, 1191, 1491, 2373, 2779, 8023, 8337, 24069, 28187, 44861, 56161, 84561, 134583, 168483, 197309, 314027, 591927, 942081, 3185131, 9555393, 22295917, 66887751]

約数ペア:

[(1, 66887751), (3, 22295917), (7, 9555393), (21, 3185131), (71, 942081), (113, 591927), (213, 314027), (339, 197309), (397, 168483), (497, 134583), (791, 84561), (1191, 56161), (1491, 44861), (2373, 28187), (2779, 24069), (8023, 8337)]