84080815

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{26399}}^1$

素因数の和:26431

約数の個数: 24

約数和(自身を含む): 126403200

約数和(自身を除く): 42322385

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 26399, 131995, 184793, 343187, 923965, 1293551, 1715935, 2402309, 6467755, 12011545, 16816163, 84080815]

約数ペア:

[(1, 84080815), (5, 16816163), (7, 12011545), (13, 6467755), (35, 2402309), (49, 1715935), (65, 1293551), (91, 923965), (245, 343187), (455, 184793), (637, 131995), (3185, 26399)]