2778123

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 4285440

約数和(自身を除く): 1507317

約数列:

[1, 3, 17, 19, 47, 51, 57, 61, 141, 183, 323, 799, 893, 969, 1037, 1159, 2397, 2679, 2867, 3111, 3477, 8601, 15181, 19703, 45543, 48739, 54473, 59109, 146217, 163419, 926041, 2778123]

約数ペア:

[(1, 2778123), (3, 926041), (17, 163419), (19, 146217), (47, 59109), (51, 54473), (57, 48739), (61, 45543), (141, 19703), (183, 15181), (323, 8601), (799, 3477), (893, 3111), (969, 2867), (1037, 2679), (1159, 2397)]