81969570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{101197}}^1$

素因数の和:101216

約数の個数: 40

約数和(自身を含む): 220409244

約数和(自身を除く): 138439674

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 101197, 202394, 303591, 505985, 607182, 910773, 1011970, 1517955, 1821546, 2732319, 3035910, 4553865, 5464638, 8196957, 9107730, 13661595, 16393914, 27323190, 40984785, 81969570]

約数ペア:

[(1, 81969570), (2, 40984785), (3, 27323190), (5, 16393914), (6, 13661595), (9, 9107730), (10, 8196957), (15, 5464638), (18, 4553865), (27, 3035910), (30, 2732319), (45, 1821546), (54, 1517955), (81, 1011970), (90, 910773), (135, 607182), (162, 505985), (270, 303591), (405, 202394), (810, 101197)]