51075381

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 80494848

約数和(自身を除く): 29419467

約数列:

[1, 3, 7, 21, 41, 123, 137, 287, 411, 433, 861, 959, 1299, 2877, 3031, 5617, 9093, 16851, 17753, 39319, 53259, 59321, 117957, 124271, 177963, 372813, 415247, 1245741, 2432161, 7296483, 17025127, 51075381]

約数ペア:

[(1, 51075381), (3, 17025127), (7, 7296483), (21, 2432161), (41, 1245741), (123, 415247), (137, 372813), (287, 177963), (411, 124271), (433, 117957), (861, 59321), (959, 53259), (1299, 39319), (2877, 17753), (3031, 16851), (5617, 9093)]