81258321

素因数分解:

$3^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1\times {\mathrm{569}}^1$

素因数の和:1016

約数の個数: 16

約数和(自身を含む): 109549440

約数和(自身を除く): 28291119

約数列:

[1, 3, 181, 263, 543, 569, 789, 1707, 47603, 102989, 142809, 149647, 308967, 448941, 27086107, 81258321]

約数ペア:

[(1, 81258321), (3, 27086107), (181, 448941), (263, 308967), (543, 149647), (569, 142809), (789, 102989), (1707, 47603)]