217427679

素因数分解:

$3^3\times 7^1\times {\mathrm{1150411}}^1$

素因数の和:1150427

約数の個数: 16

約数和(自身を含む): 368131840

約数和(自身を除く): 150704161

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1150411, 3451233, 8052877, 10353699, 24158631, 31061097, 72475893, 217427679]

約数ペア:

[(1, 217427679), (3, 72475893), (7, 31061097), (9, 24158631), (21, 10353699), (27, 8052877), (63, 3451233), (189, 1150411)]