11517921

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 17160000

約数和(自身を除く): 5642079

約数列:

[1, 3, 9, 59, 109, 177, 199, 327, 531, 597, 981, 1791, 6431, 11741, 19293, 21691, 35223, 57879, 65073, 105669, 195219, 1279769, 3839307, 11517921]

約数ペア:

[(1, 11517921), (3, 3839307), (9, 1279769), (59, 195219), (109, 105669), (177, 65073), (199, 57879), (327, 35223), (531, 21691), (597, 19293), (981, 11741), (1791, 6431)]