80978085

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17471}}^1$

素因数の和:17585

約数の個数: 24

約数和(自身を含む): 141732864

約数和(自身を除く): 60754779

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4635, 17471, 52413, 87355, 157239, 262065, 786195, 1799513, 5398539, 8997565, 16195617, 26992695, 80978085]

約数ペア:

[(1, 80978085), (3, 26992695), (5, 16195617), (9, 8997565), (15, 5398539), (45, 1799513), (103, 786195), (309, 262065), (515, 157239), (927, 87355), (1545, 52413), (4635, 17471)]