2666859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 4166400

約数和(自身を除く): 1499541

約数列:

[1, 3, 13, 19, 39, 57, 59, 61, 177, 183, 247, 741, 767, 793, 1121, 1159, 2301, 2379, 3363, 3477, 3599, 10797, 14573, 15067, 43719, 45201, 46787, 68381, 140361, 205143, 888953, 2666859]

約数ペア:

[(1, 2666859), (3, 888953), (13, 205143), (19, 140361), (39, 68381), (57, 46787), (59, 45201), (61, 43719), (177, 15067), (183, 14573), (247, 10797), (741, 3599), (767, 3477), (793, 3363), (1121, 2379), (1159, 2301)]