16156989

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1153}}^1$

素因数の和:1338

約数の個数: 20

約数和(自身を含む): 24296316

約数和(自身を除く): 8139327

約数列:

[1, 3, 9, 27, 81, 173, 519, 1153, 1557, 3459, 4671, 10377, 14013, 31131, 93393, 199469, 598407, 1795221, 5385663, 16156989]

約数ペア:

[(1, 16156989), (3, 5385663), (9, 1795221), (27, 598407), (81, 199469), (173, 93393), (519, 31131), (1153, 14013), (1557, 10377), (3459, 4671)]