2018205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 4118400

約数和(自身を除く): 2100195

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 149, 215, 301, 315, 387, 447, 645, 745, 903, 1043, 1341, 1505, 1935, 2235, 2709, 3129, 4515, 5215, 6407, 6705, 9387, 13545, 15645, 19221, 32035, 44849, 46935, 57663, 96105, 134547, 224245, 288315, 403641, 672735, 2018205]

約数ペア:

[(1, 2018205), (3, 672735), (5, 403641), (7, 288315), (9, 224245), (15, 134547), (21, 96105), (35, 57663), (43, 46935), (45, 44849), (63, 32035), (105, 19221), (129, 15645), (149, 13545), (215, 9387), (301, 6705), (315, 6407), (387, 5215), (447, 4515), (645, 3129), (745, 2709), (903, 2235), (1043, 1935), (1341, 1505)]