278045313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{24841}}^1$

素因数の和:24905

約数の個数: 32

約数和(自身を含む): 467427072

約数和(自身を除く): 189381759

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 11193, 24841, 74523, 173887, 322933, 521661, 968799, 1018481, 2260531, 3055443, 6781593, 7129367, 13240253, 21388101, 39720759, 92681771, 278045313]

約数ペア:

[(1, 278045313), (3, 92681771), (7, 39720759), (13, 21388101), (21, 13240253), (39, 7129367), (41, 6781593), (91, 3055443), (123, 2260531), (273, 1018481), (287, 968799), (533, 521661), (861, 322933), (1599, 173887), (3731, 74523), (11193, 24841)]