51117729

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42281}}^1$

素因数の和:42328

約数の個数: 16

約数和(自身を含む): 75769344

約数和(自身を除く): 24651615

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 42281, 126843, 549653, 1310711, 1648959, 3932133, 17039243, 51117729]

約数ペア:

[(1, 51117729), (3, 17039243), (13, 3932133), (31, 1648959), (39, 1310711), (93, 549653), (403, 126843), (1209, 42281)]