639961553091

素因数分解:

$3^1\times 7^2\times {\mathrm{45763}}^1\times {\mathrm{95131}}^1$

素因数の和:140911

約数の個数: 24

約数和(自身を含む): 992625553344

約数和(自身を除く): 352664000253

約数列:

[1, 3, 7, 21, 49, 147, 45763, 95131, 137289, 285393, 320341, 665917, 961023, 1997751, 2242387, 4661419, 6727161, 13984257, 4353479953, 13060439859, 30474359671, 91423079013, 213320517697, 639961553091]

約数ペア:

[(1, 639961553091), (3, 213320517697), (7, 91423079013), (21, 30474359671), (49, 13060439859), (147, 4353479953), (45763, 13984257), (95131, 6727161), (137289, 4661419), (285393, 2242387), (320341, 1997751), (665917, 961023)]