15979221

素因数分解:

$3^3\times {\mathrm{409}}^1\times {\mathrm{1447}}^1$

素因数の和:1865

約数の個数: 16

約数和(自身を含む): 23747200

約数和(自身を除く): 7767979

約数列:

[1, 3, 9, 27, 409, 1227, 1447, 3681, 4341, 11043, 13023, 39069, 591823, 1775469, 5326407, 15979221]

約数ペア:

[(1, 15979221), (3, 5326407), (9, 1775469), (27, 591823), (409, 39069), (1227, 13023), (1447, 11043), (3681, 4341)]