220131837

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{3023}}^1$

素因数の和:3095

約数の個数: 40

約数和(自身を含む): 351267840

約数和(自身を除く): 131136003

約数列:

[1, 3, 9, 27, 29, 31, 81, 87, 93, 261, 279, 783, 837, 899, 2349, 2511, 2697, 3023, 8091, 9069, 24273, 27207, 72819, 81621, 87667, 93713, 244863, 263001, 281139, 789003, 843417, 2367009, 2530251, 2717677, 7101027, 7590753, 8153031, 24459093, 73377279, 220131837]

約数ペア:

[(1, 220131837), (3, 73377279), (9, 24459093), (27, 8153031), (29, 7590753), (31, 7101027), (81, 2717677), (87, 2530251), (93, 2367009), (261, 843417), (279, 789003), (783, 281139), (837, 263001), (899, 244863), (2349, 93713), (2511, 87667), (2697, 81621), (3023, 72819), (8091, 27207), (9069, 24273)]