389625873

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2269}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 695600640

約数和(自身を除く): 305974767

約数列:

[1, 3, 7, 13, 17, 21, 37, 39, 51, 91, 111, 119, 221, 259, 273, 357, 481, 629, 663, 777, 1443, 1547, 1887, 2269, 3367, 4403, 4641, 6807, 8177, 10101, 13209, 15883, 24531, 29497, 38573, 47649, 57239, 83953, 88491, 115719, 171717, 206479, 251859, 270011, 501449, 587671, 619437, 810033, 1091389, 1427201, 1504347, 1763013, 3274167, 3510143, 4281603, 7639723, 9990407, 10530429, 18553613, 22919169, 29971221, 55660839, 129875291, 389625873]

約数ペア:

[(1, 389625873), (3, 129875291), (7, 55660839), (13, 29971221), (17, 22919169), (21, 18553613), (37, 10530429), (39, 9990407), (51, 7639723), (91, 4281603), (111, 3510143), (119, 3274167), (221, 1763013), (259, 1504347), (273, 1427201), (357, 1091389), (481, 810033), (629, 619437), (663, 587671), (777, 501449), (1443, 270011), (1547, 251859), (1887, 206479), (2269, 171717), (3367, 115719), (4403, 88491), (4641, 83953), (6807, 57239), (8177, 47649), (10101, 38573), (13209, 29497), (15883, 24531)]