15980769

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8747}}^1$

素因数の和:8789

約数の個数: 24

約数和(自身を含む): 27293760

約数和(自身を除く): 11312991

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 8747, 26241, 61229, 78723, 183687, 253663, 551061, 760989, 1775641, 2282967, 5326923, 15980769]

約数ペア:

[(1, 15980769), (3, 5326923), (7, 2282967), (9, 1775641), (21, 760989), (29, 551061), (63, 253663), (87, 183687), (203, 78723), (261, 61229), (609, 26241), (1827, 8747)]