78239115

素因数分解:

$3^4\times 5^1\times {\mathrm{193183}}^1$

素因数の和:193200

約数の個数: 20

約数和(自身を含む): 140251584

約数和(自身を除く): 62012469

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 193183, 579549, 965915, 1738647, 2897745, 5215941, 8693235, 15647823, 26079705, 78239115]

約数ペア:

[(1, 78239115), (3, 26079705), (5, 15647823), (9, 8693235), (15, 5215941), (27, 2897745), (45, 1738647), (81, 965915), (135, 579549), (405, 193183)]