13920975

素因数分解:

$3^2\times 5^2\times {\mathrm{61871}}^1$

素因数の和:61887

約数の個数: 18

約数和(自身を含む): 24934416

約数和(自身を除く): 11013441

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 61871, 185613, 309355, 556839, 928065, 1546775, 2784195, 4640325, 13920975]

約数ペア:

[(1, 13920975), (3, 4640325), (5, 2784195), (9, 1546775), (15, 928065), (25, 556839), (45, 309355), (75, 185613), (225, 61871)]