2149623

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 3588000

約数和(自身を除く): 1438377

約数列:

[1, 3, 7, 9, 21, 63, 149, 229, 447, 687, 1043, 1341, 1603, 2061, 3129, 4809, 9387, 14427, 34121, 102363, 238847, 307089, 716541, 2149623]

約数ペア:

[(1, 2149623), (3, 716541), (7, 307089), (9, 238847), (21, 102363), (63, 34121), (149, 14427), (229, 9387), (447, 4809), (687, 3129), (1043, 2061), (1341, 1603)]