66857805

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{1123}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 139924512

約数和(自身を除く): 73066707

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 405, 441, 567, 735, 945, 1123, 1215, 1323, 1701, 2205, 2835, 3369, 3969, 5615, 6615, 7861, 8505, 10107, 11907, 16845, 19845, 23583, 30321, 39305, 50535, 55027, 59535, 70749, 90963, 117915, 151605, 165081, 212247, 272889, 275135, 353745, 454815, 495243, 636741, 825405, 1061235, 1364445, 1485729, 1910223, 2476215, 3183705, 4457187, 7428645, 9551115, 13371561, 22285935, 66857805]

約数ペア:

[(1, 66857805), (3, 22285935), (5, 13371561), (7, 9551115), (9, 7428645), (15, 4457187), (21, 3183705), (27, 2476215), (35, 1910223), (45, 1485729), (49, 1364445), (63, 1061235), (81, 825405), (105, 636741), (135, 495243), (147, 454815), (189, 353745), (243, 275135), (245, 272889), (315, 212247), (405, 165081), (441, 151605), (567, 117915), (735, 90963), (945, 70749), (1123, 59535), (1215, 55027), (1323, 50535), (1701, 39305), (2205, 30321), (2835, 23583), (3369, 19845), (3969, 16845), (5615, 11907), (6615, 10107), (7861, 8505)]