81901395

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{14797}}^1$

素因数の和:14852

約数の個数: 32

約数和(自身を含む): 149163840

約数和(自身を除く): 67262445

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 5535, 14797, 44391, 73985, 133173, 221955, 399519, 606677, 665865, 1820031, 1997595, 3033385, 5460093, 9100155, 16380279, 27300465, 81901395]

約数ペア:

[(1, 81901395), (3, 27300465), (5, 16380279), (9, 9100155), (15, 5460093), (27, 3033385), (41, 1997595), (45, 1820031), (123, 665865), (135, 606677), (205, 399519), (369, 221955), (615, 133173), (1107, 73985), (1845, 44391), (5535, 14797)]