77128515

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 138389472

約数和(自身を除く): 61260957

約数列:

[1, 3, 5, 9, 15, 45, 53, 73, 159, 219, 265, 365, 443, 477, 657, 795, 1095, 1329, 2215, 2385, 3285, 3869, 3987, 6645, 11607, 19345, 19935, 23479, 32339, 34821, 58035, 70437, 97017, 117395, 161695, 174105, 211311, 291051, 352185, 485085, 1056555, 1455255, 1713967, 5141901, 8569835, 15425703, 25709505, 77128515]

約数ペア:

[(1, 77128515), (3, 25709505), (5, 15425703), (9, 8569835), (15, 5141901), (45, 1713967), (53, 1455255), (73, 1056555), (159, 485085), (219, 352185), (265, 291051), (365, 211311), (443, 174105), (477, 161695), (657, 117395), (795, 97017), (1095, 70437), (1329, 58035), (2215, 34821), (2385, 32339), (3285, 23479), (3869, 19935), (3987, 19345), (6645, 11607)]