1640521521

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{941}}^1\times {\mathrm{1997}}^1$

素因数の和:3041

約数の個数: 24

約数和(自身を含む): 2397815784

約数和(自身を除く): 757294263

約数列:

[1, 3, 9, 97, 291, 873, 941, 1997, 2823, 5991, 8469, 17973, 91277, 193709, 273831, 581127, 821493, 1743381, 1879177, 5637531, 16912593, 182280169, 546840507, 1640521521]

約数ペア:

[(1, 1640521521), (3, 546840507), (9, 182280169), (97, 16912593), (291, 5637531), (873, 1879177), (941, 1743381), (1997, 821493), (2823, 581127), (5991, 273831), (8469, 193709), (17973, 91277)]