56740431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 85280256

約数和(自身を除く): 28539825

約数列:

[1, 3, 11, 33, 61, 71, 183, 213, 397, 671, 781, 1191, 2013, 2343, 4331, 4367, 12993, 13101, 24217, 28187, 47641, 72651, 84561, 142923, 266387, 310057, 799161, 930171, 1719407, 5158221, 18913477, 56740431]

約数ペア:

[(1, 56740431), (3, 18913477), (11, 5158221), (33, 1719407), (61, 930171), (71, 799161), (183, 310057), (213, 266387), (397, 142923), (671, 84561), (781, 72651), (1191, 47641), (2013, 28187), (2343, 24217), (4331, 13101), (4367, 12993)]