65639847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8291}}^1$

素因数の和:8343

約数の個数: 32

約数和(自身を含む): 111444480

約数和(自身を除く): 45804633

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 8291, 24873, 58037, 107783, 174111, 240439, 323349, 721317, 754481, 1683073, 2263443, 3125707, 5049219, 9377121, 21879949, 65639847]

約数ペア:

[(1, 65639847), (3, 21879949), (7, 9377121), (13, 5049219), (21, 3125707), (29, 2263443), (39, 1683073), (87, 754481), (91, 721317), (203, 323349), (273, 240439), (377, 174111), (609, 107783), (1131, 58037), (2639, 24873), (7917, 8291)]