40078899

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21937}}^1$

素因数の和:21979

約数の個数: 24

約数和(自身を含む): 68446560

約数和(自身を除く): 28367661

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 21937, 65811, 153559, 197433, 460677, 636173, 1382031, 1908519, 4453211, 5725557, 13359633, 40078899]

約数ペア:

[(1, 40078899), (3, 13359633), (7, 5725557), (9, 4453211), (21, 1908519), (29, 1382031), (63, 636173), (87, 460677), (203, 197433), (261, 153559), (609, 65811), (1827, 21937)]