15721994409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{17863}}^1$

素因数の和:18205

約数の個数: 32

約数和(自身を含む): 23151744000

約数和(自身を除く): 7429749591

約数列:

[1, 3, 11, 33, 149, 179, 447, 537, 1639, 1969, 4917, 5907, 17863, 26671, 53589, 80013, 196493, 293381, 589479, 880143, 2661587, 3197477, 7984761, 9592431, 29277457, 35172247, 87832371, 105516741, 476424073, 1429272219, 5240664803, 15721994409]

約数ペア:

[(1, 15721994409), (3, 5240664803), (11, 1429272219), (33, 476424073), (149, 105516741), (179, 87832371), (447, 35172247), (537, 29277457), (1639, 9592431), (1969, 7984761), (4917, 3197477), (5907, 2661587), (17863, 880143), (26671, 589479), (53589, 293381), (80013, 196493)]