2216865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 4156416

約数和(自身を除く): 1939551

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 491, 645, 903, 1473, 1505, 2455, 3437, 4515, 7365, 10311, 17185, 21113, 51555, 63339, 105565, 147791, 316695, 443373, 738955, 2216865]

約数ペア:

[(1, 2216865), (3, 738955), (5, 443373), (7, 316695), (15, 147791), (21, 105565), (35, 63339), (43, 51555), (105, 21113), (129, 17185), (215, 10311), (301, 7365), (491, 4515), (645, 3437), (903, 2455), (1473, 1505)]