72780225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{138629}}^1$

素因数の和:138649

約数の個数: 24

約数和(自身を含む): 137520960

約数和(自身を除く): 64740735

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 138629, 415887, 693145, 970403, 2079435, 2911209, 3465725, 4852015, 10397175, 14556045, 24260075, 72780225]

約数ペア:

[(1, 72780225), (3, 24260075), (5, 14556045), (7, 10397175), (15, 4852015), (21, 3465725), (25, 2911209), (35, 2079435), (75, 970403), (105, 693145), (175, 415887), (525, 138629)]