28308915

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1433}}^1$

素因数の和:1883

約数の個数: 24

約数和(自身を含む): 49214880

約数和(自身を除く): 20905965

約数列:

[1, 3, 5, 9, 15, 45, 439, 1317, 1433, 2195, 3951, 4299, 6585, 7165, 12897, 19755, 21495, 64485, 629087, 1887261, 3145435, 5661783, 9436305, 28308915]

約数ペア:

[(1, 28308915), (3, 9436305), (5, 5661783), (9, 3145435), (15, 1887261), (45, 629087), (439, 64485), (1317, 21495), (1433, 19755), (2195, 12897), (3951, 7165), (4299, 6585)]