405123516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{2939}}^1$

素因数の和:3503

約数の個数: 72

約数和(自身を含む): 1172895360

約数和(自身を除く): 767771844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 547, 1094, 1641, 2188, 2939, 3282, 3829, 4923, 5878, 6564, 7658, 8817, 9846, 11487, 11756, 15316, 17634, 19692, 20573, 22974, 26451, 34461, 35268, 41146, 45948, 52902, 61719, 68922, 82292, 105804, 123438, 137844, 185157, 246876, 370314, 740628, 1607633, 3215266, 4822899, 6430532, 9645798, 11253431, 14468697, 19291596, 22506862, 28937394, 33760293, 45013724, 57874788, 67520586, 101280879, 135041172, 202561758, 405123516]

約数ペア:

[(1, 405123516), (2, 202561758), (3, 135041172), (4, 101280879), (6, 67520586), (7, 57874788), (9, 45013724), (12, 33760293), (14, 28937394), (18, 22506862), (21, 19291596), (28, 14468697), (36, 11253431), (42, 9645798), (63, 6430532), (84, 4822899), (126, 3215266), (252, 1607633), (547, 740628), (1094, 370314), (1641, 246876), (2188, 185157), (2939, 137844), (3282, 123438), (3829, 105804), (4923, 82292), (5878, 68922), (6564, 61719), (7658, 52902), (8817, 45948), (9846, 41146), (11487, 35268), (11756, 34461), (15316, 26451), (17634, 22974), (19692, 20573)]