72071013

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1597}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 112217952

約数和(自身を除く): 40146939

約数列:

[1, 3, 7, 21, 49, 147, 307, 921, 1597, 2149, 4791, 6447, 11179, 15043, 33537, 45129, 78253, 234759, 490279, 1470837, 3431953, 10295859, 24023671, 72071013]

約数ペア:

[(1, 72071013), (3, 24023671), (7, 10295859), (21, 3431953), (49, 1470837), (147, 490279), (307, 234759), (921, 78253), (1597, 45129), (2149, 33537), (4791, 15043), (6447, 11179)]