28051215

素因数分解:

$3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9791}}^1$

素因数の和:9990

約数の個数: 16

約数和(自身を含む): 45121536

約数和(自身を除く): 17070321

約数列:

[1, 3, 5, 15, 191, 573, 955, 2865, 9791, 29373, 48955, 146865, 1870081, 5610243, 9350405, 28051215]

約数ペア:

[(1, 28051215), (3, 9350405), (5, 5610243), (15, 1870081), (191, 146865), (573, 48955), (955, 29373), (2865, 9791)]