28197915

素因数分解:

$3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8209}}^1$

素因数の和:8446

約数の個数: 16

約数和(自身を含む): 45319200

約数和(自身を除く): 17121285

約数列:

[1, 3, 5, 15, 229, 687, 1145, 3435, 8209, 24627, 41045, 123135, 1879861, 5639583, 9399305, 28197915]

約数ペア:

[(1, 28197915), (3, 9399305), (5, 5639583), (15, 1879861), (229, 123135), (687, 41045), (1145, 24627), (3435, 8209)]