31689615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{823}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 54107136

約数和(自身を除く): 22417521

約数列:

[1, 3, 5, 15, 17, 51, 85, 151, 255, 453, 755, 823, 2265, 2469, 2567, 4115, 7701, 12345, 12835, 13991, 38505, 41973, 69955, 124273, 209865, 372819, 621365, 1864095, 2112641, 6337923, 10563205, 31689615]

約数ペア:

[(1, 31689615), (3, 10563205), (5, 6337923), (15, 2112641), (17, 1864095), (51, 621365), (85, 372819), (151, 209865), (255, 124273), (453, 69955), (755, 41973), (823, 38505), (2265, 13991), (2469, 12835), (2567, 12345), (4115, 7701)]