39375

素因数分解:

$3^2\times 5^4\times 7^1$

素因数の和:33

約数の個数: 30

約数和(自身を含む): 81224

約数和(自身を除く): 41849

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 625, 875, 1125, 1575, 1875, 2625, 4375, 5625, 7875, 13125, 39375]

約数ペア:

[(1, 39375), (3, 13125), (5, 7875), (7, 5625), (9, 4375), (15, 2625), (21, 1875), (25, 1575), (35, 1125), (45, 875), (63, 625), (75, 525), (105, 375), (125, 315), (175, 225)]