25219467

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 21836997

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 53, 63, 83, 91, 117, 147, 159, 249, 273, 371, 441, 477, 581, 637, 689, 747, 819, 1079, 1113, 1743, 1911, 2067, 2597, 3237, 3339, 4067, 4399, 4823, 5229, 5733, 6201, 7553, 7791, 9711, 12201, 13197, 14469, 22659, 23373, 30793, 33761, 36603, 39591, 43407, 52871, 57187, 67977, 92379, 101283, 158613, 171561, 215551, 277137, 303849, 400309, 475839, 514683, 646653, 1200927, 1939959, 2802163, 3602781, 8406489, 25219467]

約数ペア:

[(1, 25219467), (3, 8406489), (7, 3602781), (9, 2802163), (13, 1939959), (21, 1200927), (39, 646653), (49, 514683), (53, 475839), (63, 400309), (83, 303849), (91, 277137), (117, 215551), (147, 171561), (159, 158613), (249, 101283), (273, 92379), (371, 67977), (441, 57187), (477, 52871), (581, 43407), (637, 39591), (689, 36603), (747, 33761), (819, 30793), (1079, 23373), (1113, 22659), (1743, 14469), (1911, 13197), (2067, 12201), (2597, 9711), (3237, 7791), (3339, 7553), (4067, 6201), (4399, 5733), (4823, 5229)]