31564065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 54786816

約数和(自身を除く): 23222751

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 1031, 2041, 2355, 3093, 5155, 6123, 10205, 13403, 15465, 30615, 40209, 67015, 161867, 201045, 485601, 809335, 2104271, 2428005, 6312813, 10521355, 31564065]

約数ペア:

[(1, 31564065), (3, 10521355), (5, 6312813), (13, 2428005), (15, 2104271), (39, 809335), (65, 485601), (157, 201045), (195, 161867), (471, 67015), (785, 40209), (1031, 30615), (2041, 15465), (2355, 13403), (3093, 10205), (5155, 6123)]