990617565

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{2039}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 1847456640

約数和(自身を除く): 856839075

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 661, 735, 1983, 2039, 3305, 4627, 6117, 9915, 10195, 13881, 14273, 23135, 30585, 32389, 42819, 69405, 71365, 97167, 99911, 161945, 214095, 299733, 485835, 499555, 1347779, 1498665, 4043337, 6738895, 9434453, 20216685, 28303359, 47172265, 66041171, 141516795, 198123513, 330205855, 990617565]

約数ペア:

[(1, 990617565), (3, 330205855), (5, 198123513), (7, 141516795), (15, 66041171), (21, 47172265), (35, 28303359), (49, 20216685), (105, 9434453), (147, 6738895), (245, 4043337), (661, 1498665), (735, 1347779), (1983, 499555), (2039, 485835), (3305, 299733), (4627, 214095), (6117, 161945), (9915, 99911), (10195, 97167), (13881, 71365), (14273, 69405), (23135, 42819), (30585, 32389)]