90872385

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 149617152

約数和(自身を除く): 58744767

約数列:

[1, 3, 5, 15, 47, 141, 157, 235, 471, 705, 785, 821, 2355, 2463, 4105, 7379, 12315, 22137, 36895, 38587, 110685, 115761, 128897, 192935, 386691, 578805, 644485, 1933455, 6058159, 18174477, 30290795, 90872385]

約数ペア:

[(1, 90872385), (3, 30290795), (5, 18174477), (15, 6058159), (47, 1933455), (141, 644485), (157, 578805), (235, 386691), (471, 192935), (705, 128897), (785, 115761), (821, 110685), (2355, 38587), (2463, 36895), (4105, 22137), (7379, 12315)]