16175187

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 29053440

約数和(自身を除く): 12878253

約数列:

[1, 3, 7, 9, 21, 23, 27, 61, 63, 69, 161, 183, 189, 207, 427, 483, 549, 621, 1281, 1403, 1449, 1647, 3721, 3843, 4209, 4347, 9821, 11163, 11529, 12627, 26047, 29463, 33489, 37881, 78141, 85583, 88389, 100467, 234423, 256749, 265167, 599081, 703269, 770247, 1797243, 2310741, 5391729, 16175187]

約数ペア:

[(1, 16175187), (3, 5391729), (7, 2310741), (9, 1797243), (21, 770247), (23, 703269), (27, 599081), (61, 265167), (63, 256749), (69, 234423), (161, 100467), (183, 88389), (189, 85583), (207, 78141), (427, 37881), (483, 33489), (549, 29463), (621, 26047), (1281, 12627), (1403, 11529), (1449, 11163), (1647, 9821), (3721, 4347), (3843, 4209)]