208833723

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{7691}}^1$

素因数の和:8135

約数の個数: 24

約数和(自身を含む): 345586176

約数和(自身を除く): 136752453

約数列:

[1, 3, 7, 9, 21, 63, 431, 1293, 3017, 3879, 7691, 9051, 23073, 27153, 53837, 69219, 161511, 484533, 3314821, 9944463, 23203747, 29833389, 69611241, 208833723]

約数ペア:

[(1, 208833723), (3, 69611241), (7, 29833389), (9, 23203747), (21, 9944463), (63, 3314821), (431, 484533), (1293, 161511), (3017, 69219), (3879, 53837), (7691, 27153), (9051, 23073)]