68981967

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2751

約数の個数: 24

約数和(自身を含む): 103547808

約数和(自身を除く): 34565841

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 2633, 2911, 7899, 8733, 23697, 26199, 107953, 186943, 323859, 560829, 971577, 1682487, 7664663, 22993989, 68981967]

約数ペア:

[(1, 68981967), (3, 22993989), (9, 7664663), (41, 1682487), (71, 971577), (123, 560829), (213, 323859), (369, 186943), (639, 107953), (2633, 26199), (2911, 23697), (7899, 8733)]