989242821

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{17389}}^1$

素因数の和:17455

約数の個数: 48

約数和(自身を含む): 1744564800

約数和(自身を除く): 755321979

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 903, 1161, 1323, 2107, 2709, 6321, 8127, 17389, 18963, 52167, 56889, 121723, 156501, 365169, 469503, 747727, 852061, 1095507, 2243181, 2556183, 3286521, 5234089, 6729543, 7668549, 15702267, 20188629, 23005647, 36638623, 47106801, 109915869, 141320403, 329747607, 989242821]

約数ペア:

[(1, 989242821), (3, 329747607), (7, 141320403), (9, 109915869), (21, 47106801), (27, 36638623), (43, 23005647), (49, 20188629), (63, 15702267), (129, 7668549), (147, 6729543), (189, 5234089), (301, 3286521), (387, 2556183), (441, 2243181), (903, 1095507), (1161, 852061), (1323, 747727), (2107, 469503), (2709, 365169), (6321, 156501), (8127, 121723), (17389, 56889), (18963, 52167)]