3861225

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^2$

素因数の和:278

約数の個数: 27

約数和(自身を含む): 6969079

約数和(自身を除く): 3107854

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 1179, 1965, 3275, 5895, 9825, 17161, 29475, 51483, 85805, 154449, 257415, 429025, 772245, 1287075, 3861225]

約数ペア:

[(1, 3861225), (3, 1287075), (5, 772245), (9, 429025), (15, 257415), (25, 154449), (45, 85805), (75, 51483), (131, 29475), (225, 17161), (393, 9825), (655, 5895), (1179, 3275)]