251147817

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{3023}}^1$

素因数の和:3230

約数の個数: 32

約数和(自身を含む): 396264960

約数和(自身を除く): 145117143

約数列:

[1, 3, 9, 17, 27, 51, 153, 181, 459, 543, 1629, 3023, 3077, 4887, 9069, 9231, 27207, 27693, 51391, 81621, 83079, 154173, 462519, 547163, 1387557, 1641489, 4924467, 9301771, 14773401, 27905313, 83715939, 251147817]

約数ペア:

[(1, 251147817), (3, 83715939), (9, 27905313), (17, 14773401), (27, 9301771), (51, 4924467), (153, 1641489), (181, 1387557), (459, 547163), (543, 462519), (1629, 154173), (3023, 83079), (3077, 81621), (4887, 51391), (9069, 27693), (9231, 27207)]