81234909

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{11411}}^1$

素因数の和:11537

約数の個数: 24

約数和(自身を含む): 135300672

約数和(自身を除く): 54065763

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 791, 1017, 2373, 7119, 11411, 34233, 79877, 102699, 239631, 718893, 1289443, 3868329, 9026101, 11604987, 27078303, 81234909]

約数ペア:

[(1, 81234909), (3, 27078303), (7, 11604987), (9, 9026101), (21, 3868329), (63, 1289443), (113, 718893), (339, 239631), (791, 102699), (1017, 79877), (2373, 34233), (7119, 11411)]