280275147

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{887}}^1$

素因数の和:1029

約数の個数: 40

約数和(自身を含む): 433230336

約数和(自身を除く): 152955189

約数列:

[1, 3, 9, 27, 47, 81, 83, 141, 249, 423, 747, 887, 1269, 2241, 2661, 3807, 3901, 6723, 7983, 11703, 23949, 35109, 41689, 71847, 73621, 105327, 125067, 220863, 315981, 375201, 662589, 1125603, 1987767, 3376809, 3460187, 5963301, 10380561, 31141683, 93425049, 280275147]

約数ペア:

[(1, 280275147), (3, 93425049), (9, 31141683), (27, 10380561), (47, 5963301), (81, 3460187), (83, 3376809), (141, 1987767), (249, 1125603), (423, 662589), (747, 375201), (887, 315981), (1269, 220863), (2241, 125067), (2661, 105327), (3807, 73621), (3901, 71847), (6723, 41689), (7983, 35109), (11703, 23949)]