12557205

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1613}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 21905208

約数和(自身を除く): 9348003

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 1613, 2595, 4839, 7785, 8065, 14517, 24195, 72585, 279049, 837147, 1395245, 2511441, 4185735, 12557205]

約数ペア:

[(1, 12557205), (3, 4185735), (5, 2511441), (9, 1395245), (15, 837147), (45, 279049), (173, 72585), (519, 24195), (865, 14517), (1557, 8065), (1613, 7785), (2595, 4839)]