12791439

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{2357}}^1$

素因数の和:2436

約数の個数: 20

約数和(自身を含む): 19401624

約数和(自身を除く): 6610185

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 2357, 5427, 7071, 21213, 63639, 157919, 190917, 473757, 1421271, 4263813, 12791439]

約数ペア:

[(1, 12791439), (3, 4263813), (9, 1421271), (27, 473757), (67, 190917), (81, 157919), (201, 63639), (603, 21213), (1809, 7071), (2357, 5427)]