7878213

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5437}}^1$

素因数の和:5473

約数の個数: 24

約数和(自身を含む): 13573248

約数和(自身を除く): 5695035

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 5437, 16311, 38059, 48933, 114177, 125051, 342531, 375153, 875357, 1125459, 2626071, 7878213]

約数ペア:

[(1, 7878213), (3, 2626071), (7, 1125459), (9, 875357), (21, 375153), (23, 342531), (63, 125051), (69, 114177), (161, 48933), (207, 38059), (483, 16311), (1449, 5437)]