2489955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^2$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 4328688

約数和(自身を除く): 1838733

約数列:

[1, 3, 5, 13, 15, 39, 65, 113, 195, 339, 565, 1469, 1695, 4407, 7345, 12769, 22035, 38307, 63845, 165997, 191535, 497991, 829985, 2489955]

約数ペア:

[(1, 2489955), (3, 829985), (5, 497991), (13, 191535), (15, 165997), (39, 63845), (65, 38307), (113, 22035), (195, 12769), (339, 7345), (565, 4407), (1469, 1695)]