8204805

素因数分解:

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

素因数の和:147

約数の個数: 54

約数和(自身を含む): 16819218

約数和(自身を除く): 8614413

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 61, 63, 105, 147, 183, 245, 305, 315, 427, 441, 549, 735, 915, 1281, 2135, 2205, 2745, 2989, 3721, 3843, 6405, 8967, 11163, 14945, 18605, 19215, 26047, 26901, 33489, 44835, 55815, 78141, 130235, 134505, 167445, 182329, 234423, 390705, 546987, 911645, 1172115, 1640961, 2734935, 8204805]

約数ペア:

[(1, 8204805), (3, 2734935), (5, 1640961), (7, 1172115), (9, 911645), (15, 546987), (21, 390705), (35, 234423), (45, 182329), (49, 167445), (61, 134505), (63, 130235), (105, 78141), (147, 55815), (183, 44835), (245, 33489), (305, 26901), (315, 26047), (427, 19215), (441, 18605), (549, 14945), (735, 11163), (915, 8967), (1281, 6405), (2135, 3843), (2205, 3721), (2745, 2989)]