397908885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3299}}^1$

素因数の和:3378

約数の個数: 64

約数和(自身を含む): 752716800

約数和(自身を除く): 354807915

約数列:

[1, 3, 5, 11, 15, 17, 33, 43, 51, 55, 85, 129, 165, 187, 215, 255, 473, 561, 645, 731, 935, 1419, 2193, 2365, 2805, 3299, 3655, 7095, 8041, 9897, 10965, 16495, 24123, 36289, 40205, 49485, 56083, 108867, 120615, 141857, 168249, 181445, 280415, 425571, 544335, 616913, 709285, 841245, 1560427, 1850739, 2127855, 2411569, 3084565, 4681281, 7234707, 7802135, 9253695, 12057845, 23406405, 26527259, 36173535, 79581777, 132636295, 397908885]

約数ペア:

[(1, 397908885), (3, 132636295), (5, 79581777), (11, 36173535), (15, 26527259), (17, 23406405), (33, 12057845), (43, 9253695), (51, 7802135), (55, 7234707), (85, 4681281), (129, 3084565), (165, 2411569), (187, 2127855), (215, 1850739), (255, 1560427), (473, 841245), (561, 709285), (645, 616913), (731, 544335), (935, 425571), (1419, 280415), (2193, 181445), (2365, 168249), (2805, 141857), (3299, 120615), (3655, 108867), (7095, 56083), (8041, 49485), (9897, 40205), (10965, 36289), (16495, 24123)]