205654875

素因数分解:

$3^1\times 5^3\times {\mathrm{379}}^1\times {\mathrm{1447}}^1$

素因数の和:1844

約数の個数: 32

約数和(自身を含む): 343349760

約数和(自身を除く): 137694885

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 379, 1137, 1447, 1895, 4341, 5685, 7235, 9475, 21705, 28425, 36175, 47375, 108525, 142125, 180875, 542625, 548413, 1645239, 2742065, 8226195, 13710325, 41130975, 68551625, 205654875]

約数ペア:

[(1, 205654875), (3, 68551625), (5, 41130975), (15, 13710325), (25, 8226195), (75, 2742065), (125, 1645239), (375, 548413), (379, 542625), (1137, 180875), (1447, 142125), (1895, 108525), (4341, 47375), (5685, 36175), (7235, 28425), (9475, 21705)]