287003691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{337}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 465060960

約数和(自身を除く): 178057269

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 251, 261, 337, 377, 753, 1011, 1131, 2259, 3033, 3263, 3393, 4381, 7279, 9773, 9789, 13143, 21837, 29319, 29367, 39429, 65511, 84587, 87957, 94627, 127049, 253761, 283881, 381147, 761283, 851643, 1099631, 1143441, 2453023, 3298893, 7359069, 9896679, 22077207, 31889299, 95667897, 287003691]

約数ペア:

[(1, 287003691), (3, 95667897), (9, 31889299), (13, 22077207), (29, 9896679), (39, 7359069), (87, 3298893), (117, 2453023), (251, 1143441), (261, 1099631), (337, 851643), (377, 761283), (753, 381147), (1011, 283881), (1131, 253761), (2259, 127049), (3033, 94627), (3263, 87957), (3393, 84587), (4381, 65511), (7279, 39429), (9773, 29367), (9789, 29319), (13143, 21837)]