66420225

素因数分解:

$3^2\times 5^2\times {\mathrm{295201}}^1$

素因数の和:295217

約数の個数: 18

約数和(自身を含む): 118966406

約数和(自身を除く): 52546181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 295201, 885603, 1476005, 2656809, 4428015, 7380025, 13284045, 22140075, 66420225]

約数ペア:

[(1, 66420225), (3, 22140075), (5, 13284045), (9, 7380025), (15, 4428015), (25, 2656809), (45, 1476005), (75, 885603), (225, 295201)]