78840363

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{1747}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 122751552

約数和(自身を除く): 43911189

約数列:

[1, 3, 7, 21, 49, 147, 307, 921, 1747, 2149, 5241, 6447, 12229, 15043, 36687, 45129, 85603, 256809, 536329, 1608987, 3754303, 11262909, 26280121, 78840363]

約数ペア:

[(1, 78840363), (3, 26280121), (7, 11262909), (21, 3754303), (49, 1608987), (147, 536329), (307, 256809), (921, 85603), (1747, 45129), (2149, 36687), (5241, 15043), (6447, 12229)]