51393165

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^2$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 83351520

約数和(自身を除く): 31958355

約数列:

[1, 3, 5, 15, 139, 157, 417, 471, 695, 785, 2085, 2355, 21823, 24649, 65469, 73947, 109115, 123245, 327345, 369735, 3426211, 10278633, 17131055, 51393165]

約数ペア:

[(1, 51393165), (3, 17131055), (5, 10278633), (15, 3426211), (139, 369735), (157, 327345), (417, 123245), (471, 109115), (695, 73947), (785, 65469), (2085, 24649), (2355, 21823)]