25207413

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 20411787

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 131, 147, 187, 231, 343, 357, 393, 539, 561, 833, 917, 1029, 1309, 1441, 1617, 2227, 2499, 2751, 3773, 3927, 4323, 5831, 6419, 6681, 9163, 10087, 11319, 15589, 17493, 19257, 24497, 27489, 30261, 44933, 46767, 64141, 70609, 73491, 109123, 134799, 171479, 192423, 211827, 327369, 494263, 514437, 763861, 1200353, 1482789, 2291583, 3601059, 8402471, 25207413]

約数ペア:

[(1, 25207413), (3, 8402471), (7, 3601059), (11, 2291583), (17, 1482789), (21, 1200353), (33, 763861), (49, 514437), (51, 494263), (77, 327369), (119, 211827), (131, 192423), (147, 171479), (187, 134799), (231, 109123), (343, 73491), (357, 70609), (393, 64141), (539, 46767), (561, 44933), (833, 30261), (917, 27489), (1029, 24497), (1309, 19257), (1441, 17493), (1617, 15589), (2227, 11319), (2499, 10087), (2751, 9163), (3773, 6681), (3927, 6419), (4323, 5831)]