16162821

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{5393}}^1$

素因数の和:5442

約数の個数: 20

約数和(自身を含む): 24801612

約数和(自身を除く): 8638791

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 5393, 16179, 48537, 145611, 199541, 436833, 598623, 1795869, 5387607, 16162821]

約数ペア:

[(1, 16162821), (3, 5387607), (9, 1795869), (27, 598623), (37, 436833), (81, 199541), (111, 145611), (333, 48537), (999, 16179), (2997, 5393)]