25317369

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 49297248

約数和(自身を除く): 23979879

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 147, 153, 187, 231, 307, 357, 441, 539, 561, 693, 833, 921, 1071, 1309, 1617, 1683, 2149, 2499, 2763, 3377, 3927, 4851, 5219, 6447, 7497, 9163, 10131, 11781, 15043, 15657, 19341, 23639, 27489, 30393, 36533, 45129, 46971, 57409, 70917, 82467, 109599, 135387, 165473, 172227, 212751, 255731, 328797, 401863, 496419, 516681, 767193, 1205589, 1489257, 2301579, 2813041, 3616767, 8439123, 25317369]

約数ペア:

[(1, 25317369), (3, 8439123), (7, 3616767), (9, 2813041), (11, 2301579), (17, 1489257), (21, 1205589), (33, 767193), (49, 516681), (51, 496419), (63, 401863), (77, 328797), (99, 255731), (119, 212751), (147, 172227), (153, 165473), (187, 135387), (231, 109599), (307, 82467), (357, 70917), (441, 57409), (539, 46971), (561, 45129), (693, 36533), (833, 30393), (921, 27489), (1071, 23639), (1309, 19341), (1617, 15657), (1683, 15043), (2149, 11781), (2499, 10131), (2763, 9163), (3377, 7497), (3927, 6447), (4851, 5219)]