51390027

素因数分解:

$3^2\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 84651840

約数和(自身を除く): 33261813

約数列:

[1, 3, 9, 13, 23, 39, 69, 113, 117, 169, 207, 299, 339, 507, 897, 1017, 1469, 1521, 2197, 2599, 2691, 3887, 4407, 6591, 7797, 11661, 13221, 19097, 19773, 23391, 33787, 34983, 50531, 57291, 101361, 151593, 171873, 248261, 304083, 439231, 454779, 744783, 1317693, 2234349, 3953079, 5710003, 17130009, 51390027]

約数ペア:

[(1, 51390027), (3, 17130009), (9, 5710003), (13, 3953079), (23, 2234349), (39, 1317693), (69, 744783), (113, 454779), (117, 439231), (169, 304083), (207, 248261), (299, 171873), (339, 151593), (507, 101361), (897, 57291), (1017, 50531), (1469, 34983), (1521, 33787), (2197, 23391), (2599, 19773), (2691, 19097), (3887, 13221), (4407, 11661), (6591, 7797)]