31026723

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3919}}^1$

素因数の和:3971

約数の個数: 32

約数和(自身を含む): 52684800

約数和(自身を除く): 21658077

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 3919, 7917, 11757, 27433, 50947, 82299, 113651, 152841, 340953, 356629, 795557, 1069887, 1477463, 2386671, 4432389, 10342241, 31026723]

約数ペア:

[(1, 31026723), (3, 10342241), (7, 4432389), (13, 2386671), (21, 1477463), (29, 1069887), (39, 795557), (87, 356629), (91, 340953), (203, 152841), (273, 113651), (377, 82299), (609, 50947), (1131, 27433), (2639, 11757), (3919, 7917)]