1236417

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 2068416

約数和(自身を除く): 831999

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 647, 1911, 1941, 4529, 8411, 13587, 25233, 31703, 58877, 95109, 176631, 412139, 1236417]

約数ペア:

[(1, 1236417), (3, 412139), (7, 176631), (13, 95109), (21, 58877), (39, 31703), (49, 25233), (91, 13587), (147, 8411), (273, 4529), (637, 1941), (647, 1911)]