13487985

素因数分解:

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

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 27907200

約数和(自身を除く): 14419215

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2039, 2205, 6117, 6615, 10195, 14273, 18351, 30585, 42819, 55053, 71365, 91755, 99911, 128457, 214095, 275265, 299733, 385371, 499555, 642285, 899199, 1498665, 1926855, 2697597, 4495995, 13487985]

約数ペア:

[(1, 13487985), (3, 4495995), (5, 2697597), (7, 1926855), (9, 1498665), (15, 899199), (21, 642285), (27, 499555), (35, 385371), (45, 299733), (49, 275265), (63, 214095), (105, 128457), (135, 99911), (147, 91755), (189, 71365), (245, 55053), (315, 42819), (441, 30585), (735, 18351), (945, 14273), (1323, 10195), (2039, 6615), (2205, 6117)]