18381375

素因数分解:

$3^2\times 5^3\times {\mathrm{16339}}^1$

素因数の和:16360

約数の個数: 24

約数和(自身を含む): 33137520

約数和(自身を除く): 14756145

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 16339, 49017, 81695, 147051, 245085, 408475, 735255, 1225425, 2042375, 3676275, 6127125, 18381375]

約数ペア:

[(1, 18381375), (3, 6127125), (5, 3676275), (9, 2042375), (15, 1225425), (25, 735255), (45, 408475), (75, 245085), (125, 147051), (225, 81695), (375, 49017), (1125, 16339)]