72188991

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{8747}}^1$

素因数の和:8891

約数の個数: 24

約数和(自身を含む): 120092544

約数和(自身を除く): 47903553

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 8747, 26241, 61229, 78723, 183687, 551061, 1145857, 3437571, 8020999, 10312713, 24062997, 72188991]

約数ペア:

[(1, 72188991), (3, 24062997), (7, 10312713), (9, 8020999), (21, 3437571), (63, 1145857), (131, 551061), (393, 183687), (917, 78723), (1179, 61229), (2751, 26241), (8253, 8747)]