38780805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 76006080

約数和(自身を除く): 37225275

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2777, 2793, 4655, 8331, 13885, 13965, 19439, 41655, 52763, 58317, 97195, 136073, 158289, 263815, 291585, 369341, 408219, 680365, 791445, 1108023, 1846705, 2041095, 2585387, 5540115, 7756161, 12926935, 38780805]

約数ペア:

[(1, 38780805), (3, 12926935), (5, 7756161), (7, 5540115), (15, 2585387), (19, 2041095), (21, 1846705), (35, 1108023), (49, 791445), (57, 680365), (95, 408219), (105, 369341), (133, 291585), (147, 263815), (245, 158289), (285, 136073), (399, 97195), (665, 58317), (735, 52763), (931, 41655), (1995, 19439), (2777, 13965), (2793, 13885), (4655, 8331)]