203103405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2441}}^1$

素因数の和:2538

約数の個数: 36

約数和(自身を含む): 360571068

約数和(自身を除く): 157467663

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1849, 1935, 2441, 5547, 7323, 9245, 12205, 16641, 21969, 27735, 36615, 83205, 104963, 109845, 314889, 524815, 944667, 1574445, 4513409, 4723335, 13540227, 22567045, 40620681, 67701135, 203103405]

約数ペア:

[(1, 203103405), (3, 67701135), (5, 40620681), (9, 22567045), (15, 13540227), (43, 4723335), (45, 4513409), (129, 1574445), (215, 944667), (387, 524815), (645, 314889), (1849, 109845), (1935, 104963), (2441, 83205), (5547, 36615), (7323, 27735), (9245, 21969), (12205, 16641)]