81742869

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1151}}^1$

素因数の和:1777

約数の個数: 24

約数和(自身を含む): 127475712

約数和(自身を除く): 45732843

約数列:

[1, 3, 9, 13, 39, 117, 607, 1151, 1821, 3453, 5463, 7891, 10359, 14963, 23673, 44889, 71019, 134667, 698657, 2095971, 6287913, 9082541, 27247623, 81742869]

約数ペア:

[(1, 81742869), (3, 27247623), (9, 9082541), (13, 6287913), (39, 2095971), (117, 698657), (607, 134667), (1151, 71019), (1821, 44889), (3453, 23673), (5463, 14963), (7891, 10359)]