27757821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5981}}^1$

素因数の和:6021

約数の個数: 32

約数和(自身を含む): 48238848

約数和(自身を除く): 20481027

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 5981, 17943, 41867, 77753, 101677, 125601, 233259, 305031, 544271, 711739, 1321801, 1632813, 2135217, 3965403, 9252607, 27757821]

約数ペア:

[(1, 27757821), (3, 9252607), (7, 3965403), (13, 2135217), (17, 1632813), (21, 1321801), (39, 711739), (51, 544271), (91, 305031), (119, 233259), (221, 125601), (273, 101677), (357, 77753), (663, 41867), (1547, 17943), (4641, 5981)]