2642787

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 4646400

約数和(自身を除く): 2003613

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 79, 81, 177, 189, 237, 413, 531, 553, 567, 711, 1239, 1593, 1659, 2133, 3717, 4661, 4779, 4977, 6399, 11151, 13983, 14931, 32627, 33453, 41949, 44793, 97881, 125847, 293643, 377541, 880929, 2642787]

約数ペア:

[(1, 2642787), (3, 880929), (7, 377541), (9, 293643), (21, 125847), (27, 97881), (59, 44793), (63, 41949), (79, 33453), (81, 32627), (177, 14931), (189, 13983), (237, 11151), (413, 6399), (531, 4977), (553, 4779), (567, 4661), (711, 3717), (1239, 2133), (1593, 1659)]