28239765

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{64919}}^1$

素因数の和:64956

約数の個数: 16

約数和(自身を含む): 46742400

約数和(自身を除く): 18502635

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 64919, 194757, 324595, 973785, 1882651, 5647953, 9413255, 28239765]

約数ペア:

[(1, 28239765), (3, 9413255), (5, 5647953), (15, 1882651), (29, 973785), (87, 324595), (145, 194757), (435, 64919)]