1781143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 2353568

約数和(自身を除く): 572425

約数列:

[1, 7, 13, 23, 37, 91, 161, 259, 299, 481, 529, 851, 2093, 3367, 3703, 5957, 6877, 11063, 19573, 48139, 77441, 137011, 254449, 1781143]

約数ペア:

[(1, 1781143), (7, 254449), (13, 137011), (23, 77441), (37, 48139), (91, 19573), (161, 11063), (259, 6877), (299, 5957), (481, 3703), (529, 3367), (851, 2093)]