1639451745

素因数分解:

$3^7\times 5^1\times {\mathrm{313}}^1\times {\mathrm{479}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 2966169600

約数和(自身を除く): 1326717855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 313, 405, 479, 729, 939, 1215, 1437, 1565, 2187, 2395, 2817, 3645, 4311, 4695, 7185, 8451, 10935, 12933, 14085, 21555, 25353, 38799, 42255, 64665, 76059, 116397, 126765, 149927, 193995, 228177, 349191, 380295, 449781, 581985, 684531, 749635, 1047573, 1140885, 1349343, 1745955, 2248905, 3422655, 4048029, 5237865, 6746715, 12144087, 20240145, 36432261, 60720435, 109296783, 182161305, 327890349, 546483915, 1639451745]

約数ペア:

[(1, 1639451745), (3, 546483915), (5, 327890349), (9, 182161305), (15, 109296783), (27, 60720435), (45, 36432261), (81, 20240145), (135, 12144087), (243, 6746715), (313, 5237865), (405, 4048029), (479, 3422655), (729, 2248905), (939, 1745955), (1215, 1349343), (1437, 1140885), (1565, 1047573), (2187, 749635), (2395, 684531), (2817, 581985), (3645, 449781), (4311, 380295), (4695, 349191), (7185, 228177), (8451, 193995), (10935, 149927), (12933, 126765), (14085, 116397), (21555, 76059), (25353, 64665), (38799, 42255)]