308244657

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{5639}}^1$

素因数の和:5805

約数の個数: 32

約数和(自身を含む): 498124800

約数和(自身を除く): 189880143

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 399, 411, 959, 2603, 2877, 5639, 7809, 16917, 18221, 39473, 54663, 107141, 118419, 321423, 749987, 772543, 2249961, 2317629, 5407801, 14678317, 16223403, 44034951, 102748219, 308244657]

約数ペア:

[(1, 308244657), (3, 102748219), (7, 44034951), (19, 16223403), (21, 14678317), (57, 5407801), (133, 2317629), (137, 2249961), (399, 772543), (411, 749987), (959, 321423), (2603, 118419), (2877, 107141), (5639, 54663), (7809, 39473), (16917, 18221)]