25217241

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 14457639

約数列:

[1, 3, 7, 21, 53, 139, 159, 163, 371, 417, 489, 973, 1113, 1141, 2919, 3423, 7367, 8639, 22101, 22657, 25917, 51569, 60473, 67971, 154707, 158599, 181419, 475797, 1200821, 3602463, 8405747, 25217241]

約数ペア:

[(1, 25217241), (3, 8405747), (7, 3602463), (21, 1200821), (53, 475797), (139, 181419), (159, 158599), (163, 154707), (371, 67971), (417, 60473), (489, 51569), (973, 25917), (1113, 22657), (1141, 22101), (2919, 8639), (3423, 7367)]