645225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{1229}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 1220160

約数和(自身を除く): 574935

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 1229, 3687, 6145, 8603, 18435, 25809, 30725, 43015, 92175, 129045, 215075, 645225]

約数ペア:

[(1, 645225), (3, 215075), (5, 129045), (7, 92175), (15, 43015), (21, 30725), (25, 25809), (35, 18435), (75, 8603), (105, 6145), (175, 3687), (525, 1229)]