223847145

素因数分解:

$3^4\times 5^1\times {\mathrm{552709}}^1$

素因数の和:552726

約数の個数: 20

約数和(自身を含む): 401267460

約数和(自身を除く): 177420315

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 552709, 1658127, 2763545, 4974381, 8290635, 14923143, 24871905, 44769429, 74615715, 223847145]

約数ペア:

[(1, 223847145), (3, 74615715), (5, 44769429), (9, 24871905), (15, 14923143), (27, 8290635), (45, 4974381), (81, 2763545), (135, 1658127), (405, 552709)]