31575159

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 60607872

約数和(自身を除く): 29032713

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 49, 63, 69, 77, 99, 147, 161, 207, 231, 253, 283, 441, 483, 539, 693, 759, 849, 1127, 1449, 1617, 1771, 1981, 2277, 2547, 3113, 3381, 4851, 5313, 5943, 6509, 9339, 10143, 12397, 13867, 15939, 17829, 19527, 21791, 28017, 37191, 41601, 45563, 58581, 65373, 71599, 111573, 124803, 136689, 152537, 196119, 214797, 318941, 410067, 457611, 501193, 644391, 956823, 1372833, 1503579, 2870469, 3508351, 4510737, 10525053, 31575159]

約数ペア:

[(1, 31575159), (3, 10525053), (7, 4510737), (9, 3508351), (11, 2870469), (21, 1503579), (23, 1372833), (33, 956823), (49, 644391), (63, 501193), (69, 457611), (77, 410067), (99, 318941), (147, 214797), (161, 196119), (207, 152537), (231, 136689), (253, 124803), (283, 111573), (441, 71599), (483, 65373), (539, 58581), (693, 45563), (759, 41601), (849, 37191), (1127, 28017), (1449, 21791), (1617, 19527), (1771, 17829), (1981, 15939), (2277, 13867), (2547, 12397), (3113, 10143), (3381, 9339), (4851, 6509), (5313, 5943)]