8170407

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 36

約数和(自身を含む): 13942656

約数和(自身を除く): 5772249

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 191, 291, 441, 573, 679, 873, 1337, 1719, 2037, 4011, 4753, 6111, 9359, 12033, 14259, 18527, 28077, 42777, 55581, 84231, 129689, 166743, 389067, 907823, 1167201, 2723469, 8170407]

約数ペア:

[(1, 8170407), (3, 2723469), (7, 1167201), (9, 907823), (21, 389067), (49, 166743), (63, 129689), (97, 84231), (147, 55581), (191, 42777), (291, 28077), (441, 18527), (573, 14259), (679, 12033), (873, 9359), (1337, 6111), (1719, 4753), (2037, 4011)]