73781415

素因数分解:

$3^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1049}}^1$

素因数の和:1584

約数の個数: 32

約数和(自身を含む): 131544000

約数和(自身を除く): 57762585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 521, 1049, 1563, 2605, 3147, 4689, 5245, 7815, 9441, 14067, 15735, 23445, 28323, 47205, 70335, 141615, 546529, 1639587, 2732645, 4918761, 8197935, 14756283, 24593805, 73781415]

約数ペア:

[(1, 73781415), (3, 24593805), (5, 14756283), (9, 8197935), (15, 4918761), (27, 2732645), (45, 1639587), (135, 546529), (521, 141615), (1049, 70335), (1563, 47205), (2605, 28323), (3147, 23445), (4689, 15735), (5245, 14067), (7815, 9441)]