16140885

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 26749440

約数和(自身を除く): 10608555

約数列:

[1, 3, 5, 15, 53, 79, 159, 237, 257, 265, 395, 771, 795, 1185, 1285, 3855, 4187, 12561, 13621, 20303, 20935, 40863, 60909, 62805, 68105, 101515, 204315, 304545, 1076059, 3228177, 5380295, 16140885]

約数ペア:

[(1, 16140885), (3, 5380295), (5, 3228177), (15, 1076059), (53, 304545), (79, 204315), (159, 101515), (237, 68105), (257, 62805), (265, 60909), (395, 40863), (771, 20935), (795, 20303), (1185, 13621), (1285, 12561), (3855, 4187)]