28206801

素因数分解:

$3^2\times 7^2\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:570

約数の個数: 36

約数和(自身を含む): 47803392

約数和(自身を除く): 19596591

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 167, 383, 441, 501, 1149, 1169, 1503, 2681, 3447, 3507, 8043, 8183, 10521, 18767, 24129, 24549, 56301, 63961, 73647, 168903, 191883, 447727, 575649, 1343181, 3134089, 4029543, 9402267, 28206801]

約数ペア:

[(1, 28206801), (3, 9402267), (7, 4029543), (9, 3134089), (21, 1343181), (49, 575649), (63, 447727), (147, 191883), (167, 168903), (383, 73647), (441, 63961), (501, 56301), (1149, 24549), (1169, 24129), (1503, 18767), (2681, 10521), (3447, 8183), (3507, 8043)]