84217525

素因数分解:

$5^2\times 7^2\times {\mathrm{68749}}^1$

素因数の和:68773

約数の個数: 18

約数和(自身を含む): 121481250

約数和(自身を除く): 37263725

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 68749, 343745, 481243, 1718725, 2406215, 3368701, 12031075, 16843505, 84217525]

約数ペア:

[(1, 84217525), (5, 16843505), (7, 12031075), (25, 3368701), (35, 2406215), (49, 1718725), (175, 481243), (245, 343745), (1225, 68749)]