1220378085

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{874823}}^1$

素因数の和:874865

約数の個数: 24

約数和(自身を含む): 2183560704

約数和(自身を除く): 963182619

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 874823, 2624469, 4374115, 7873407, 13122345, 27119513, 39367035, 81358539, 135597565, 244075617, 406792695, 1220378085]

約数ペア:

[(1, 1220378085), (3, 406792695), (5, 244075617), (9, 135597565), (15, 81358539), (31, 39367035), (45, 27119513), (93, 13122345), (155, 7873407), (279, 4374115), (465, 2624469), (1395, 874823)]