31120245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53197}}^1$

素因数の和:53221

約数の個数: 24

約数和(自身を含む): 58092216

約数和(自身を除く): 26971971

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 53197, 159591, 265985, 478773, 691561, 797955, 2074683, 2393865, 3457805, 6224049, 10373415, 31120245]

約数ペア:

[(1, 31120245), (3, 10373415), (5, 6224049), (9, 3457805), (13, 2393865), (15, 2074683), (39, 797955), (45, 691561), (65, 478773), (117, 265985), (195, 159591), (585, 53197)]