27990375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{10663}}^1$

素因数の和:10688

約数の個数: 32

約数和(自身を含む): 53234688

約数和(自身を除く): 25244313

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625, 10663, 31989, 53315, 74641, 159945, 223923, 266575, 373205, 799725, 1119615, 1332875, 1866025, 3998625, 5598075, 9330125, 27990375]

約数ペア:

[(1, 27990375), (3, 9330125), (5, 5598075), (7, 3998625), (15, 1866025), (21, 1332875), (25, 1119615), (35, 799725), (75, 373205), (105, 266575), (125, 223923), (175, 159945), (375, 74641), (525, 53315), (875, 31989), (2625, 10663)]