278316753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{2833}}^1$

素因数の和:3089

約数の個数: 32

約数和(自身を含む): 438023040

約数和(自身を除く): 159706287

約数列:

[1, 3, 11, 13, 33, 39, 143, 229, 429, 687, 2519, 2833, 2977, 7557, 8499, 8931, 31163, 32747, 36829, 93489, 98241, 110487, 405119, 648757, 1215357, 1946271, 7136327, 8433841, 21408981, 25301523, 92772251, 278316753]

約数ペア:

[(1, 278316753), (3, 92772251), (11, 25301523), (13, 21408981), (33, 8433841), (39, 7136327), (143, 1946271), (229, 1215357), (429, 648757), (687, 405119), (2519, 110487), (2833, 98241), (2977, 93489), (7557, 36829), (8499, 32747), (8931, 31163)]