74747907

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 127733760

約数和(自身を除く): 52985853

約数列:

[1, 3, 9, 13, 23, 27, 39, 47, 69, 117, 141, 197, 207, 299, 351, 423, 591, 611, 621, 897, 1081, 1269, 1773, 1833, 2561, 2691, 3243, 4531, 5319, 5499, 7683, 8073, 9259, 9729, 13593, 14053, 16497, 23049, 27777, 29187, 40779, 42159, 58903, 69147, 83331, 120367, 122337, 126477, 176709, 212957, 249993, 361101, 379431, 530127, 638871, 1083303, 1590381, 1916613, 2768441, 3249909, 5749839, 8305323, 24915969, 74747907]

約数ペア:

[(1, 74747907), (3, 24915969), (9, 8305323), (13, 5749839), (23, 3249909), (27, 2768441), (39, 1916613), (47, 1590381), (69, 1083303), (117, 638871), (141, 530127), (197, 379431), (207, 361101), (299, 249993), (351, 212957), (423, 176709), (591, 126477), (611, 122337), (621, 120367), (897, 83331), (1081, 69147), (1269, 58903), (1773, 42159), (1833, 40779), (2561, 29187), (2691, 27777), (3243, 23049), (4531, 16497), (5319, 14053), (5499, 13593), (7683, 9729), (8073, 9259)]