81754137

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1051}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 125903360

約数和(自身を除く): 44149223

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 387, 603, 1051, 1161, 1809, 2881, 3153, 8643, 9459, 25929, 28377, 45193, 70417, 77787, 135579, 211251, 406737, 633753, 1220211, 1901259, 3027931, 9083793, 27251379, 81754137]

約数ペア:

[(1, 81754137), (3, 27251379), (9, 9083793), (27, 3027931), (43, 1901259), (67, 1220211), (129, 633753), (201, 406737), (387, 211251), (603, 135579), (1051, 77787), (1161, 70417), (1809, 45193), (2881, 28377), (3153, 25929), (8643, 9459)]