68378751

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15287}}^1$

素因数の和:15371

約数の個数: 24

約数和(自身を含む): 114476544

約数和(自身を除く): 46097793

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 15287, 45861, 107009, 137583, 321027, 963081, 1085377, 3256131, 7597639, 9768393, 22792917, 68378751]

約数ペア:

[(1, 68378751), (3, 22792917), (7, 9768393), (9, 7597639), (21, 3256131), (63, 1085377), (71, 963081), (213, 321027), (497, 137583), (639, 107009), (1491, 45861), (4473, 15287)]