51130521

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:907

約数の個数: 40

約数和(自身を含む): 83751360

約数和(自身を除く): 32620839

約数列:

[1, 3, 9, 13, 27, 39, 59, 81, 117, 177, 351, 531, 767, 823, 1053, 1593, 2301, 2469, 4779, 6903, 7407, 10699, 20709, 22221, 32097, 48557, 62127, 66663, 96291, 145671, 288873, 437013, 631241, 866619, 1311039, 1893723, 3933117, 5681169, 17043507, 51130521]

約数ペア:

[(1, 51130521), (3, 17043507), (9, 5681169), (13, 3933117), (27, 1893723), (39, 1311039), (59, 866619), (81, 631241), (117, 437013), (177, 288873), (351, 145671), (531, 96291), (767, 66663), (823, 62127), (1053, 48557), (1593, 32097), (2301, 22221), (2469, 20709), (4779, 10699), (6903, 7407)]