207996825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 358119936

約数和(自身を除く): 150123111

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 137, 155, 411, 465, 653, 685, 775, 1959, 2055, 2325, 3265, 3425, 4247, 9795, 10275, 12741, 16325, 20243, 21235, 48975, 60729, 63705, 89461, 101215, 106175, 268383, 303645, 318525, 447305, 506075, 1341915, 1518225, 2236525, 2773291, 6709575, 8319873, 13866455, 41599365, 69332275, 207996825]

約数ペア:

[(1, 207996825), (3, 69332275), (5, 41599365), (15, 13866455), (25, 8319873), (31, 6709575), (75, 2773291), (93, 2236525), (137, 1518225), (155, 1341915), (411, 506075), (465, 447305), (653, 318525), (685, 303645), (775, 268383), (1959, 106175), (2055, 101215), (2325, 89461), (3265, 63705), (3425, 60729), (4247, 48975), (9795, 21235), (10275, 20243), (12741, 16325)]