24720561

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{389}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 37477440

約数和(自身を除く): 12756879

約数列:

[1, 3, 9, 23, 69, 207, 307, 389, 921, 1167, 2763, 3501, 7061, 8947, 21183, 26841, 63549, 80523, 119423, 358269, 1074807, 2746729, 8240187, 24720561]

約数ペア:

[(1, 24720561), (3, 8240187), (9, 2746729), (23, 1074807), (69, 358269), (207, 119423), (307, 80523), (389, 63549), (921, 26841), (1167, 21183), (2763, 8947), (3501, 7061)]