2738275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{379}}^1$

素因数の和:423

約数の個数: 18

約数和(自身を含む): 3616460

約数和(自身を除く): 878185

約数列:

[1, 5, 17, 25, 85, 289, 379, 425, 1445, 1895, 6443, 7225, 9475, 32215, 109531, 161075, 547655, 2738275]

約数ペア:

[(1, 2738275), (5, 547655), (17, 161075), (25, 109531), (85, 32215), (289, 9475), (379, 7225), (425, 6443), (1445, 1895)]