15131907

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 27194880

約数和(自身を除く): 12062973

約数列:

[1, 3, 7, 9, 21, 23, 27, 59, 63, 69, 161, 177, 189, 207, 413, 483, 531, 621, 1239, 1357, 1449, 1593, 3481, 3717, 4071, 4347, 9499, 10443, 11151, 12213, 24367, 28497, 31329, 36639, 73101, 80063, 85491, 93987, 219303, 240189, 256473, 560441, 657909, 720567, 1681323, 2161701, 5043969, 15131907]

約数ペア:

[(1, 15131907), (3, 5043969), (7, 2161701), (9, 1681323), (21, 720567), (23, 657909), (27, 560441), (59, 256473), (63, 240189), (69, 219303), (161, 93987), (177, 85491), (189, 80063), (207, 73101), (413, 36639), (483, 31329), (531, 28497), (621, 24367), (1239, 12213), (1357, 11151), (1449, 10443), (1593, 9499), (3481, 4347), (3717, 4071)]