53210781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8581}}^1$

素因数の和:8653

約数の個数: 24

約数和(自身を含む): 84343896

約数和(自身を除く): 31133115

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 6201, 8581, 25743, 77229, 111553, 334659, 454793, 1003977, 1364379, 4093137, 5912309, 17736927, 53210781]

約数ペア:

[(1, 53210781), (3, 17736927), (9, 5912309), (13, 4093137), (39, 1364379), (53, 1003977), (117, 454793), (159, 334659), (477, 111553), (689, 77229), (2067, 25743), (6201, 8581)]