25002081

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 44083200

約数和(自身を除く): 19081119

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 117, 163, 171, 207, 247, 299, 351, 437, 489, 513, 621, 741, 897, 1311, 1467, 2119, 2223, 2691, 3097, 3749, 3933, 4401, 5681, 6357, 6669, 8073, 9291, 11247, 11799, 17043, 19071, 27873, 33741, 40261, 48737, 51129, 57213, 71231, 83619, 101223, 120783, 146211, 153387, 213693, 362349, 438633, 641079, 926003, 1087047, 1315899, 1923237, 2778009, 8334027, 25002081]

約数ペア:

[(1, 25002081), (3, 8334027), (9, 2778009), (13, 1923237), (19, 1315899), (23, 1087047), (27, 926003), (39, 641079), (57, 438633), (69, 362349), (117, 213693), (163, 153387), (171, 146211), (207, 120783), (247, 101223), (299, 83619), (351, 71231), (437, 57213), (489, 51129), (513, 48737), (621, 40261), (741, 33741), (897, 27873), (1311, 19071), (1467, 17043), (2119, 11799), (2223, 11247), (2691, 9291), (3097, 8073), (3749, 6669), (3933, 6357), (4401, 5681)]