251012277

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{6781}}^1$

素因数の和:7250

約数の個数: 20

約数和(自身を含む): 375844876

約数和(自身を除く): 124832599

約数列:

[1, 3, 9, 27, 81, 457, 1371, 4113, 6781, 12339, 20343, 37017, 61029, 183087, 549261, 3098917, 9296751, 27890253, 83670759, 251012277]

約数ペア:

[(1, 251012277), (3, 83670759), (9, 27890253), (27, 9296751), (81, 3098917), (457, 549261), (1371, 183087), (4113, 61029), (6781, 37017), (12339, 20343)]