251013573

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{39227}}^1$

素因数の和:39318

約数の個数: 20

約数和(自身を含む): 379727040

約数和(自身を除く): 128713467

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 39227, 117681, 353043, 1059129, 3098933, 3177387, 9296799, 27890397, 83671191, 251013573]

約数ペア:

[(1, 251013573), (3, 83671191), (9, 27890397), (27, 9296799), (79, 3177387), (81, 3098933), (237, 1059129), (711, 353043), (2133, 117681), (6399, 39227)]