981253

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 1241856

約数和(自身を除く): 260603

約数列:

[1, 7, 13, 41, 91, 263, 287, 533, 1841, 3419, 3731, 10783, 23933, 75481, 140179, 981253]

約数ペア:

[(1, 981253), (7, 140179), (13, 75481), (41, 23933), (91, 10783), (263, 3731), (287, 3419), (533, 1841)]