20161821339

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{308101}}^1$

素因数の和:308779

約数の個数: 24

約数和(自身を含む): 31818309744

約数和(自身を除く): 11656488405

約数列:

[1, 3, 9, 11, 33, 99, 661, 1983, 5949, 7271, 21813, 65439, 308101, 924303, 2772909, 3389111, 10167333, 30501999, 203654761, 610964283, 1832892849, 2240202371, 6720607113, 20161821339]

約数ペア:

[(1, 20161821339), (3, 6720607113), (9, 2240202371), (11, 1832892849), (33, 610964283), (99, 203654761), (661, 30501999), (1983, 10167333), (5949, 3389111), (7271, 2772909), (21813, 924303), (65439, 308101)]