27780645

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17981}}^1$

素因数の和:18092

約数の個数: 16

約数和(自身を含む): 44883072

約数和(自身を除く): 17102427

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 17981, 53943, 89905, 269715, 1852043, 5556129, 9260215, 27780645]

約数ペア:

[(1, 27780645), (3, 9260215), (5, 5556129), (15, 1852043), (103, 269715), (309, 89905), (515, 53943), (1545, 17981)]