819621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 1370304

約数和(自身を除く): 550683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 487, 561, 1461, 1683, 4383, 5357, 8279, 16071, 24837, 48213, 74511, 91069, 273207, 819621]

約数ペア:

[(1, 819621), (3, 273207), (9, 91069), (11, 74511), (17, 48213), (33, 24837), (51, 16071), (99, 8279), (153, 5357), (187, 4383), (487, 1683), (561, 1461)]