81297827

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 94794000

約数和(自身を除く): 13496173

約数列:

[1, 13, 19, 47, 149, 247, 611, 893, 1937, 2209, 2831, 7003, 11609, 28717, 36803, 41971, 91039, 133057, 329141, 545623, 1729741, 4278833, 6253679, 81297827]

約数ペア:

[(1, 81297827), (13, 6253679), (19, 4278833), (47, 1729741), (149, 545623), (247, 329141), (611, 133057), (893, 91039), (1937, 41971), (2209, 36803), (2831, 28717), (7003, 11609)]