81885816

素因数分解:

$2^3\times 3^4\times {\mathrm{107}}^1\times {\mathrm{1181}}^1$

素因数の和:1306

約数の個数: 80

約数和(自身を含む): 231695640

約数和(自身を除く): 149809824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 107, 108, 162, 214, 216, 321, 324, 428, 642, 648, 856, 963, 1181, 1284, 1926, 2362, 2568, 2889, 3543, 3852, 4724, 5778, 7086, 7704, 8667, 9448, 10629, 11556, 14172, 17334, 21258, 23112, 28344, 31887, 34668, 42516, 63774, 69336, 85032, 95661, 126367, 127548, 191322, 252734, 255096, 379101, 382644, 505468, 758202, 765288, 1010936, 1137303, 1516404, 2274606, 3032808, 3411909, 4549212, 6823818, 9098424, 10235727, 13647636, 20471454, 27295272, 40942908, 81885816]

約数ペア:

[(1, 81885816), (2, 40942908), (3, 27295272), (4, 20471454), (6, 13647636), (8, 10235727), (9, 9098424), (12, 6823818), (18, 4549212), (24, 3411909), (27, 3032808), (36, 2274606), (54, 1516404), (72, 1137303), (81, 1010936), (107, 765288), (108, 758202), (162, 505468), (214, 382644), (216, 379101), (321, 255096), (324, 252734), (428, 191322), (642, 127548), (648, 126367), (856, 95661), (963, 85032), (1181, 69336), (1284, 63774), (1926, 42516), (2362, 34668), (2568, 31887), (2889, 28344), (3543, 23112), (3852, 21258), (4724, 17334), (5778, 14172), (7086, 11556), (7704, 10629), (8667, 9448)]