84281225

素因数分解:

$5^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 36

約数和(自身を含む): 122898384

約数和(自身を除く): 38617159

約数列:

[1, 5, 7, 25, 35, 49, 107, 175, 245, 535, 643, 749, 1225, 2675, 3215, 3745, 4501, 5243, 16075, 18725, 22505, 26215, 31507, 68801, 112525, 131075, 157535, 344005, 481607, 787675, 1720025, 2408035, 3371249, 12040175, 16856245, 84281225]

約数ペア:

[(1, 84281225), (5, 16856245), (7, 12040175), (25, 3371249), (35, 2408035), (49, 1720025), (107, 787675), (175, 481607), (245, 344005), (535, 157535), (643, 131075), (749, 112525), (1225, 68801), (2675, 31507), (3215, 26215), (3745, 22505), (4501, 18725), (5243, 16075)]