28365183

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^2$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 52326456

約数和(自身を除く): 23961273

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 121, 183, 231, 363, 427, 549, 671, 693, 847, 1089, 1281, 2013, 2541, 3721, 3843, 4697, 6039, 7381, 7623, 11163, 14091, 22143, 26047, 33489, 40931, 42273, 51667, 66429, 78141, 122793, 155001, 234423, 286517, 368379, 450241, 465003, 859551, 1350723, 2578653, 3151687, 4052169, 9455061, 28365183]

約数ペア:

[(1, 28365183), (3, 9455061), (7, 4052169), (9, 3151687), (11, 2578653), (21, 1350723), (33, 859551), (61, 465003), (63, 450241), (77, 368379), (99, 286517), (121, 234423), (183, 155001), (231, 122793), (363, 78141), (427, 66429), (549, 51667), (671, 42273), (693, 40931), (847, 33489), (1089, 26047), (1281, 22143), (2013, 14091), (2541, 11163), (3721, 7623), (3843, 7381), (4697, 6039)]