12780490791

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{321449}}^1$

素因数の和:321938

約数の個数: 16

約数和(自身を含む): 17666892000

約数和(自身を除く): 4886401209

約数列:

[1, 3, 29, 87, 457, 1371, 13253, 39759, 321449, 964347, 9322021, 27966063, 146902193, 440706579, 4260163597, 12780490791]

約数ペア:

[(1, 12780490791), (3, 4260163597), (29, 440706579), (87, 146902193), (457, 27966063), (1371, 9322021), (13253, 964347), (39759, 321449)]