51691995

素因数分解:

$3^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1213}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 89768016

約数和(自身を除く): 38076021

約数列:

[1, 3, 5, 9, 15, 45, 947, 1213, 2841, 3639, 4735, 6065, 8523, 10917, 14205, 18195, 42615, 54585, 1148711, 3446133, 5743555, 10338399, 17230665, 51691995]

約数ペア:

[(1, 51691995), (3, 17230665), (5, 10338399), (9, 5743555), (15, 3446133), (45, 1148711), (947, 54585), (1213, 42615), (2841, 18195), (3639, 14205), (4735, 10917), (6065, 8523)]