1308951

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 2196480

約数和(自身を除く): 887529

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 263, 553, 711, 789, 1659, 1841, 2367, 4977, 5523, 16569, 20777, 62331, 145439, 186993, 436317, 1308951]

約数ペア:

[(1, 1308951), (3, 436317), (7, 186993), (9, 145439), (21, 62331), (63, 20777), (79, 16569), (237, 5523), (263, 4977), (553, 2367), (711, 1841), (789, 1659)]