3217955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 4295424

約数和(自身を除く): 1077469

約数列:

[1, 5, 13, 31, 65, 155, 403, 1597, 2015, 7985, 20761, 49507, 103805, 247535, 643591, 3217955]

約数ペア:

[(1, 3217955), (5, 643591), (13, 247535), (31, 103805), (65, 49507), (155, 20761), (403, 7985), (1597, 2015)]