15491979

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 28

約数和(自身を含む): 23608800

約数和(自身を除く): 8116821

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 269, 711, 729, 807, 2133, 2421, 6399, 7263, 19197, 21251, 21789, 57591, 63753, 65367, 191259, 196101, 573777, 1721331, 5163993, 15491979]

約数ペア:

[(1, 15491979), (3, 5163993), (9, 1721331), (27, 573777), (79, 196101), (81, 191259), (237, 65367), (243, 63753), (269, 57591), (711, 21789), (729, 21251), (807, 19197), (2133, 7263), (2421, 6399)]