8438391

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 13944000

約数和(自身を除く): 5505609

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 829, 1131, 2487, 3393, 7461, 10179, 10777, 22383, 24041, 32331, 72123, 96993, 216369, 290979, 312533, 649107, 937599, 2812797, 8438391]

約数ペア:

[(1, 8438391), (3, 2812797), (9, 937599), (13, 649107), (27, 312533), (29, 290979), (39, 216369), (87, 96993), (117, 72123), (261, 32331), (351, 24041), (377, 22383), (783, 10777), (829, 10179), (1131, 7461), (2487, 3393)]