64921959

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 99264000

約数和(自身を除く): 34342041

約数列:

[1, 3, 9, 27, 43, 129, 199, 281, 387, 597, 843, 1161, 1791, 2529, 5373, 7587, 8557, 12083, 25671, 36249, 55919, 77013, 108747, 167757, 231039, 326241, 503271, 1509813, 2404517, 7213551, 21640653, 64921959]

約数ペア:

[(1, 64921959), (3, 21640653), (9, 7213551), (27, 2404517), (43, 1509813), (129, 503271), (199, 326241), (281, 231039), (387, 167757), (597, 108747), (843, 77013), (1161, 55919), (1791, 36249), (2529, 25671), (5373, 12083), (7587, 8557)]