77823225

素因数分解:

$3^2\times 5^2\times {\mathrm{345881}}^1$

素因数の和:345897

約数の個数: 18

約数和(自身を含む): 139390446

約数和(自身を除く): 61567221

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 345881, 1037643, 1729405, 3112929, 5188215, 8647025, 15564645, 25941075, 77823225]

約数ペア:

[(1, 77823225), (3, 25941075), (5, 15564645), (9, 8647025), (15, 5188215), (25, 3112929), (45, 1729405), (75, 1037643), (225, 345881)]