27720398175

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:921

約数の個数: 96

約数和(自身を含む): 48851040000

約数和(自身を除く): 21130641825

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 139, 285, 349, 401, 417, 475, 695, 1047, 1203, 1425, 1745, 2005, 2085, 2641, 3475, 5235, 6015, 6631, 7619, 7923, 8725, 10025, 10425, 13205, 19893, 22857, 26175, 30075, 33155, 38095, 39615, 48511, 55739, 66025, 99465, 114285, 139949, 145533, 165775, 167217, 190475, 198075, 242555, 278695, 419847, 497325, 571425, 699745, 727665, 836085, 921709, 1059041, 1212775, 1393475, 2099235, 2659031, 2765127, 3177123, 3498725, 3638325, 4180425, 4608545, 5295205, 7977093, 10496175, 13295155, 13825635, 15885615, 19452911, 23042725, 26476025, 39885465, 58358733, 66475775, 69128175, 79428075, 97264555, 199427325, 291793665, 369605309, 486322775, 1108815927, 1458968325, 1848026545, 5544079635, 9240132725, 27720398175]

約数ペア:

[(1, 27720398175), (3, 9240132725), (5, 5544079635), (15, 1848026545), (19, 1458968325), (25, 1108815927), (57, 486322775), (75, 369605309), (95, 291793665), (139, 199427325), (285, 97264555), (349, 79428075), (401, 69128175), (417, 66475775), (475, 58358733), (695, 39885465), (1047, 26476025), (1203, 23042725), (1425, 19452911), (1745, 15885615), (2005, 13825635), (2085, 13295155), (2641, 10496175), (3475, 7977093), (5235, 5295205), (6015, 4608545), (6631, 4180425), (7619, 3638325), (7923, 3498725), (8725, 3177123), (10025, 2765127), (10425, 2659031), (13205, 2099235), (19893, 1393475), (22857, 1212775), (26175, 1059041), (30075, 921709), (33155, 836085), (38095, 727665), (39615, 699745), (48511, 571425), (55739, 497325), (66025, 419847), (99465, 278695), (114285, 242555), (139949, 198075), (145533, 190475), (165775, 167217)]