25338015

素因数分解:

$3^4\times 5^1\times {\mathrm{62563}}^1$

素因数の和:62580

約数の個数: 20

約数和(自身を含む): 45421464

約数和(自身を除く): 20083449

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 62563, 187689, 312815, 563067, 938445, 1689201, 2815335, 5067603, 8446005, 25338015]

約数ペア:

[(1, 25338015), (3, 8446005), (5, 5067603), (9, 2815335), (15, 1689201), (27, 938445), (45, 563067), (81, 312815), (135, 187689), (405, 62563)]