331345917

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{40771}}^1$

素因数の和:40830

約数の個数: 32

約数和(自身を含む): 574069760

約数和(自身を除く): 242723843

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 40771, 122313, 285397, 366939, 856191, 1100817, 1753153, 2568573, 5259459, 7705719, 12272071, 15778377, 36816213, 47335131, 110448639, 331345917]

約数ペア:

[(1, 331345917), (3, 110448639), (7, 47335131), (9, 36816213), (21, 15778377), (27, 12272071), (43, 7705719), (63, 5259459), (129, 2568573), (189, 1753153), (301, 1100817), (387, 856191), (903, 366939), (1161, 285397), (2709, 122313), (8127, 40771)]