890702811

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{646843}}^1$

素因数の和:646872

約数の個数: 20

約数和(自身を含む): 1408826232

約数和(自身を除く): 518123421

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 646843, 1940529, 5821587, 10996331, 17464761, 32988993, 52394283, 98966979, 296900937, 890702811]

約数ペア:

[(1, 890702811), (3, 296900937), (9, 98966979), (17, 52394283), (27, 32988993), (51, 17464761), (81, 10996331), (153, 5821587), (459, 1940529), (1377, 646843)]