81381375

素因数分解:

$3^3\times 5^3\times {\mathrm{24113}}^1$

素因数の和:24137

約数の個数: 32

約数和(自身を含む): 150471360

約数和(自身を除く): 69089985

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 24113, 72339, 120565, 217017, 361695, 602825, 651051, 1085085, 1808475, 3014125, 3255255, 5425425, 9042375, 16276275, 27127125, 81381375]

約数ペア:

[(1, 81381375), (3, 27127125), (5, 16276275), (9, 9042375), (15, 5425425), (25, 3255255), (27, 3014125), (45, 1808475), (75, 1085085), (125, 651051), (135, 602825), (225, 361695), (375, 217017), (675, 120565), (1125, 72339), (3375, 24113)]