18050571

素因数分解:

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

素因数の和:153

約数の個数: 54

約数和(自身を含む): 33638436

約数和(自身を除く): 15587865

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 61, 63, 77, 99, 147, 183, 231, 427, 441, 539, 549, 671, 693, 1281, 1617, 2013, 2989, 3721, 3843, 4697, 4851, 6039, 8967, 11163, 14091, 26047, 26901, 32879, 33489, 40931, 42273, 78141, 98637, 122793, 182329, 234423, 286517, 295911, 368379, 546987, 859551, 1640961, 2005619, 2578653, 6016857, 18050571]

約数ペア:

[(1, 18050571), (3, 6016857), (7, 2578653), (9, 2005619), (11, 1640961), (21, 859551), (33, 546987), (49, 368379), (61, 295911), (63, 286517), (77, 234423), (99, 182329), (147, 122793), (183, 98637), (231, 78141), (427, 42273), (441, 40931), (539, 33489), (549, 32879), (671, 26901), (693, 26047), (1281, 14091), (1617, 11163), (2013, 8967), (2989, 6039), (3721, 4851), (3843, 4697)]