28809615

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 48222720

約数和(自身を除く): 19413105

約数列:

[1, 3, 5, 15, 29, 87, 103, 145, 309, 435, 515, 643, 1545, 1929, 2987, 3215, 8961, 9645, 14935, 18647, 44805, 55941, 66229, 93235, 198687, 279705, 331145, 993435, 1920641, 5761923, 9603205, 28809615]

約数ペア:

[(1, 28809615), (3, 9603205), (5, 5761923), (15, 1920641), (29, 993435), (87, 331145), (103, 279705), (145, 198687), (309, 93235), (435, 66229), (515, 55941), (643, 44805), (1545, 18647), (1929, 14935), (2987, 9645), (3215, 8961)]