31538715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 54686016

約数和(自身を除く): 23147301

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 197, 591, 821, 985, 2463, 2561, 2955, 4105, 7683, 10673, 12315, 12805, 32019, 38415, 53365, 160095, 161737, 485211, 808685, 2102581, 2426055, 6307743, 10512905, 31538715]

約数ペア:

[(1, 31538715), (3, 10512905), (5, 6307743), (13, 2426055), (15, 2102581), (39, 808685), (65, 485211), (195, 161737), (197, 160095), (591, 53365), (821, 38415), (985, 32019), (2463, 12805), (2561, 12315), (2955, 10673), (4105, 7683)]