40785381

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 76352640

約数和(自身を除く): 35567259

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 2621, 5187, 7863, 15561, 18347, 23589, 34073, 49799, 55041, 102219, 149397, 165123, 238511, 306657, 348593, 448191, 647387, 715533, 1045779, 1942161, 2146599, 3137337, 4531709, 5826483, 13595127, 40785381]

約数ペア:

[(1, 40785381), (3, 13595127), (7, 5826483), (9, 4531709), (13, 3137337), (19, 2146599), (21, 1942161), (39, 1045779), (57, 715533), (63, 647387), (91, 448191), (117, 348593), (133, 306657), (171, 238511), (247, 165123), (273, 149397), (399, 102219), (741, 55041), (819, 49799), (1197, 34073), (1729, 23589), (2223, 18347), (2621, 15561), (5187, 7863)]