77620215

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{304393}}^1$

素因数の和:304418

約数の個数: 16

約数和(自身を含む): 131498208

約数和(自身を除く): 53877993

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 304393, 913179, 1521965, 4565895, 5174681, 15524043, 25873405, 77620215]

約数ペア:

[(1, 77620215), (3, 25873405), (5, 15524043), (15, 5174681), (17, 4565895), (51, 1521965), (85, 913179), (255, 304393)]