289485711

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{19249}}^1$

素因数の和:19815

約数の個数: 16

約数和(自身を含む): 429660000

約数和(自身を除く): 140174289

約数列:

[1, 3, 9, 27, 557, 1671, 5013, 15039, 19249, 57747, 173241, 519723, 10721693, 32165079, 96495237, 289485711]

約数ペア:

[(1, 289485711), (3, 96495237), (9, 32165079), (27, 10721693), (557, 519723), (1671, 173241), (5013, 57747), (15039, 19249)]