826245

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 1702272

約数和(自身を除く): 876027

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 61, 63, 105, 129, 183, 215, 301, 305, 315, 387, 427, 549, 645, 903, 915, 1281, 1505, 1935, 2135, 2623, 2709, 2745, 3843, 4515, 6405, 7869, 13115, 13545, 18361, 19215, 23607, 39345, 55083, 91805, 118035, 165249, 275415, 826245]

約数ペア:

[(1, 826245), (3, 275415), (5, 165249), (7, 118035), (9, 91805), (15, 55083), (21, 39345), (35, 23607), (43, 19215), (45, 18361), (61, 13545), (63, 13115), (105, 7869), (129, 6405), (183, 4515), (215, 3843), (301, 2745), (305, 2709), (315, 2623), (387, 2135), (427, 1935), (549, 1505), (645, 1281), (903, 915)]