51511545

素因数分解:

$3^4\times 5^1\times {\mathrm{127189}}^1$

素因数の和:127206

約数の個数: 20

約数和(自身を含む): 92339940

約数和(自身を除く): 40828395

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 127189, 381567, 635945, 1144701, 1907835, 3434103, 5723505, 10302309, 17170515, 51511545]

約数ペア:

[(1, 51511545), (3, 17170515), (5, 10302309), (9, 5723505), (15, 3434103), (27, 1907835), (45, 1144701), (81, 635945), (135, 381567), (405, 127189)]