81655925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5843}}^1$

素因数の和:5909

約数の個数: 24

約数和(自身を含む): 111597024

約数和(自身を除く): 29941099

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 5843, 13975, 29215, 75959, 146075, 251249, 379795, 1256245, 1898975, 3266237, 6281225, 16331185, 81655925]

約数ペア:

[(1, 81655925), (5, 16331185), (13, 6281225), (25, 3266237), (43, 1898975), (65, 1256245), (215, 379795), (325, 251249), (559, 146075), (1075, 75959), (2795, 29215), (5843, 13975)]