4042215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 7172880

約数和(自身を除く): 3130665

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 2089, 6267, 10445, 18801, 31335, 89827, 94005, 269481, 449135, 808443, 1347405, 4042215]

約数ペア:

[(1, 4042215), (3, 1347405), (5, 808443), (9, 449135), (15, 269481), (43, 94005), (45, 89827), (129, 31335), (215, 18801), (387, 10445), (645, 6267), (1935, 2089)]