16391385

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 36

約数和(自身を含む): 29235492

約数和(自身を除く): 12844107

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 197, 215, 387, 591, 645, 985, 1773, 1849, 1935, 2955, 5547, 8471, 8865, 9245, 16641, 25413, 27735, 42355, 76239, 83205, 127065, 364253, 381195, 1092759, 1821265, 3278277, 5463795, 16391385]

約数ペア:

[(1, 16391385), (3, 5463795), (5, 3278277), (9, 1821265), (15, 1092759), (43, 381195), (45, 364253), (129, 127065), (197, 83205), (215, 76239), (387, 42355), (591, 27735), (645, 25413), (985, 16641), (1773, 9245), (1849, 8865), (1935, 8471), (2955, 5547)]