18331875

素因数分解:

$3^2\times 5^4\times {\mathrm{3259}}^1$

素因数の和:3285

約数の個数: 30

約数和(自身を含む): 33098780

約数和(自身を除く): 14766905

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 3259, 5625, 9777, 16295, 29331, 48885, 81475, 146655, 244425, 407375, 733275, 1222125, 2036875, 3666375, 6110625, 18331875]

約数ペア:

[(1, 18331875), (3, 6110625), (5, 3666375), (9, 2036875), (15, 1222125), (25, 733275), (45, 407375), (75, 244425), (125, 146655), (225, 81475), (375, 48885), (625, 29331), (1125, 16295), (1875, 9777), (3259, 5625)]