64438065

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20753}}^1$

素因数の和:20790

約数の個数: 32

約数和(自身を含む): 119543040

約数和(自身を除く): 55104975

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 20753, 62259, 103765, 186777, 311295, 477319, 560331, 933885, 1431957, 2386595, 2801655, 4295871, 7159785, 12887613, 21479355, 64438065]

約数ペア:

[(1, 64438065), (3, 21479355), (5, 12887613), (9, 7159785), (15, 4295871), (23, 2801655), (27, 2386595), (45, 1431957), (69, 933885), (115, 560331), (135, 477319), (207, 311295), (345, 186777), (621, 103765), (1035, 62259), (3105, 20753)]