31323855

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 51692544

約数和(自身を除く): 20368689

約数列:

[1, 3, 5, 15, 47, 141, 157, 235, 283, 471, 705, 785, 849, 1415, 2355, 4245, 7379, 13301, 22137, 36895, 39903, 44431, 66505, 110685, 133293, 199515, 222155, 666465, 2088257, 6264771, 10441285, 31323855]

約数ペア:

[(1, 31323855), (3, 10441285), (5, 6264771), (15, 2088257), (47, 666465), (141, 222155), (157, 199515), (235, 133293), (283, 110685), (471, 66505), (705, 44431), (785, 39903), (849, 36895), (1415, 22137), (2355, 13301), (4245, 7379)]