28105096005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{89491}}^1$

素因数の和:90506

約数の個数: 48

約数和(自身を含む): 55731321984

約数和(自身を除く): 27626225979

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 997, 2991, 4985, 6979, 8973, 14955, 20937, 34895, 44865, 62811, 89491, 104685, 268473, 314055, 447455, 626437, 805419, 1342365, 1879311, 3132185, 4027095, 5637933, 9396555, 28189665, 89222527, 267667581, 446112635, 624557689, 803002743, 1338337905, 1873673067, 3122788445, 4015013715, 5621019201, 9368365335, 28105096005]

約数ペア:

[(1, 28105096005), (3, 9368365335), (5, 5621019201), (7, 4015013715), (9, 3122788445), (15, 1873673067), (21, 1338337905), (35, 803002743), (45, 624557689), (63, 446112635), (105, 267667581), (315, 89222527), (997, 28189665), (2991, 9396555), (4985, 5637933), (6979, 4027095), (8973, 3132185), (14955, 1879311), (20937, 1342365), (34895, 805419), (44865, 626437), (62811, 447455), (89491, 314055), (104685, 268473)]