816408855

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^2\times {\mathrm{313}}^1$

素因数の和:605

約数の個数: 48

約数和(自身を含む): 1466580960

約数和(自身を除く): 650172105

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 313, 417, 695, 939, 1251, 1565, 2085, 2817, 3753, 4695, 6255, 8451, 14085, 18765, 19321, 42255, 43507, 57963, 96605, 130521, 173889, 217535, 289815, 391563, 521667, 652605, 869445, 1174689, 1957815, 2608335, 5873445, 6047473, 18142419, 30237365, 54427257, 90712095, 163281771, 272136285, 816408855]

約数ペア:

[(1, 816408855), (3, 272136285), (5, 163281771), (9, 90712095), (15, 54427257), (27, 30237365), (45, 18142419), (135, 6047473), (139, 5873445), (313, 2608335), (417, 1957815), (695, 1174689), (939, 869445), (1251, 652605), (1565, 521667), (2085, 391563), (2817, 289815), (3753, 217535), (4695, 173889), (6255, 130521), (8451, 96605), (14085, 57963), (18765, 43507), (19321, 42255)]