40720887

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{16217}}^1$

素因数の和:16260

約数の個数: 20

約数和(自身を含む): 62796096

約数和(自身を除く): 22075209

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 16217, 48651, 145953, 437859, 502727, 1313577, 1508181, 4524543, 13573629, 40720887]

約数ペア:

[(1, 40720887), (3, 13573629), (9, 4524543), (27, 1508181), (31, 1313577), (81, 502727), (93, 437859), (279, 145953), (837, 48651), (2511, 16217)]