84159215

素因数分解:

$5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{797}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 117899712

約数和(自身を除く): 33740497

約数列:

[1, 5, 7, 35, 49, 245, 431, 797, 2155, 3017, 3985, 5579, 15085, 21119, 27895, 39053, 105595, 195265, 343507, 1717535, 2404549, 12022745, 16831843, 84159215]

約数ペア:

[(1, 84159215), (5, 16831843), (7, 12022745), (35, 2404549), (49, 1717535), (245, 343507), (431, 195265), (797, 105595), (2155, 39053), (3017, 27895), (3985, 21119), (5579, 15085)]