15390225

素因数分解:

$3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 27973036

約数和(自身を除く): 12582811

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 219, 225, 365, 657, 937, 1095, 1825, 2811, 3285, 4685, 5475, 8433, 14055, 16425, 23425, 42165, 68401, 70275, 205203, 210825, 342005, 615609, 1026015, 1710025, 3078045, 5130075, 15390225]

約数ペア:

[(1, 15390225), (3, 5130075), (5, 3078045), (9, 1710025), (15, 1026015), (25, 615609), (45, 342005), (73, 210825), (75, 205203), (219, 70275), (225, 68401), (365, 42165), (657, 23425), (937, 16425), (1095, 14055), (1825, 8433), (2811, 5475), (3285, 4685)]