80406225

素因数分解:

$3^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1871}}^1$

素因数の和:2078

約数の個数: 36

約数和(自身を含む): 144847872

約数和(自身を除く): 64441647

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 191, 225, 573, 955, 1719, 1871, 2865, 4775, 5613, 8595, 9355, 14325, 16839, 28065, 42975, 46775, 84195, 140325, 357361, 420975, 1072083, 1786805, 3216249, 5360415, 8934025, 16081245, 26802075, 80406225]

約数ペア:

[(1, 80406225), (3, 26802075), (5, 16081245), (9, 8934025), (15, 5360415), (25, 3216249), (45, 1786805), (75, 1072083), (191, 420975), (225, 357361), (573, 140325), (955, 84195), (1719, 46775), (1871, 42975), (2865, 28065), (4775, 16839), (5613, 14325), (8595, 9355)]