90173007

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{5651}}^1$

素因数の和:5860

約数の個数: 20

約数和(自身を含む): 135410616

約数和(自身を除く): 45237609

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 5651, 15957, 16953, 50859, 152577, 457731, 1113247, 3339741, 10019223, 30057669, 90173007]

約数ペア:

[(1, 90173007), (3, 30057669), (9, 10019223), (27, 3339741), (81, 1113247), (197, 457731), (591, 152577), (1773, 50859), (5319, 16953), (5651, 15957)]