28170225

素因数分解:

$3^2\times 5^2\times {\mathrm{125201}}^1$

素因数の和:125217

約数の個数: 18

約数和(自身を含む): 50456406

約数和(自身を除く): 22286181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 125201, 375603, 626005, 1126809, 1878015, 3130025, 5634045, 9390075, 28170225]

約数ペア:

[(1, 28170225), (3, 9390075), (5, 5634045), (9, 3130025), (15, 1878015), (25, 1126809), (45, 626005), (75, 375603), (225, 125201)]