78220443

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 121569280

約数和(自身を除く): 43348837

約数列:

[1, 3, 7, 21, 127, 139, 211, 381, 417, 633, 889, 973, 1477, 2667, 2919, 4431, 17653, 26797, 29329, 52959, 80391, 87987, 123571, 187579, 205303, 370713, 562737, 615909, 3724783, 11174349, 26073481, 78220443]

約数ペア:

[(1, 78220443), (3, 26073481), (7, 11174349), (21, 3724783), (127, 615909), (139, 562737), (211, 370713), (381, 205303), (417, 187579), (633, 123571), (889, 87987), (973, 80391), (1477, 52959), (2667, 29329), (2919, 26797), (4431, 17653)]