217694543

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 248690928

約数和(自身を除く): 30996385

約数列:

[1, 11, 41, 61, 193, 451, 671, 1681, 2123, 2501, 7913, 11773, 18491, 27511, 87043, 102541, 129503, 324433, 482693, 1127951, 3568763, 5309623, 19790413, 217694543]

約数ペア:

[(1, 217694543), (11, 19790413), (41, 5309623), (61, 3568763), (193, 1127951), (451, 482693), (671, 324433), (1681, 129503), (2123, 102541), (2501, 87043), (7913, 27511), (11773, 18491)]