61872741

素因数分解:

$3^4\times 7^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 80

約数和(自身を含む): 114998400

約数和(自身を除く): 53125659

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 81, 119, 131, 147, 153, 189, 343, 357, 393, 441, 459, 567, 833, 917, 1029, 1071, 1179, 1323, 1377, 2227, 2499, 2751, 3087, 3213, 3537, 3969, 5831, 6419, 6681, 7497, 8253, 9261, 9639, 10611, 15589, 17493, 19257, 20043, 22491, 24759, 27783, 44933, 46767, 52479, 57771, 60129, 67473, 74277, 109123, 134799, 140301, 157437, 173313, 180387, 327369, 404397, 420903, 472311, 519939, 763861, 982107, 1213191, 1262709, 2291583, 2946321, 3639573, 6874749, 8838963, 20624247, 61872741]

約数ペア:

[(1, 61872741), (3, 20624247), (7, 8838963), (9, 6874749), (17, 3639573), (21, 2946321), (27, 2291583), (49, 1262709), (51, 1213191), (63, 982107), (81, 763861), (119, 519939), (131, 472311), (147, 420903), (153, 404397), (189, 327369), (343, 180387), (357, 173313), (393, 157437), (441, 140301), (459, 134799), (567, 109123), (833, 74277), (917, 67473), (1029, 60129), (1071, 57771), (1179, 52479), (1323, 46767), (1377, 44933), (2227, 27783), (2499, 24759), (2751, 22491), (3087, 20043), (3213, 19257), (3537, 17493), (3969, 15589), (5831, 10611), (6419, 9639), (6681, 9261), (7497, 8253)]