25761021

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 16066947

約数列:

[1, 3, 11, 13, 33, 39, 53, 103, 121, 143, 159, 309, 363, 429, 583, 689, 1133, 1339, 1573, 1749, 2067, 3399, 4017, 4719, 5459, 6413, 7579, 12463, 14729, 16377, 19239, 22737, 37389, 44187, 60049, 70967, 83369, 162019, 180147, 212901, 250107, 486057, 660539, 780637, 1981617, 2341911, 8587007, 25761021]

約数ペア:

[(1, 25761021), (3, 8587007), (11, 2341911), (13, 1981617), (33, 780637), (39, 660539), (53, 486057), (103, 250107), (121, 212901), (143, 180147), (159, 162019), (309, 83369), (363, 70967), (429, 60049), (583, 44187), (689, 37389), (1133, 22737), (1339, 19239), (1573, 16377), (1749, 14729), (2067, 12463), (3399, 7579), (4017, 6413), (4719, 5459)]