78575913

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1147

約数の個数: 40

約数和(自身を含む): 128310336

約数和(自身を除く): 49734423

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 639, 923, 1051, 1053, 1917, 2769, 3153, 5751, 8307, 9459, 13663, 24921, 28377, 40989, 74621, 74763, 85131, 122967, 223863, 368901, 671589, 970073, 1106703, 2014767, 2910219, 6044301, 8730657, 26191971, 78575913]

約数ペア:

[(1, 78575913), (3, 26191971), (9, 8730657), (13, 6044301), (27, 2910219), (39, 2014767), (71, 1106703), (81, 970073), (117, 671589), (213, 368901), (351, 223863), (639, 122967), (923, 85131), (1051, 74763), (1053, 74621), (1917, 40989), (2769, 28377), (3153, 24921), (5751, 13663), (8307, 9459)]