251247992013

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{10724719}}^1$

素因数の和:10724881

約数の個数: 24

約数和(自身を含む): 384802953600

約数和(自身を除く): 133554961587

約数列:

[1, 3, 9, 19, 57, 137, 171, 411, 1233, 2603, 7809, 23427, 10724719, 32174157, 96522471, 203769661, 611308983, 1469286503, 1833926949, 4407859509, 13223578527, 27916443557, 83749330671, 251247992013]

約数ペア:

[(1, 251247992013), (3, 83749330671), (9, 27916443557), (19, 13223578527), (57, 4407859509), (137, 1833926949), (171, 1469286503), (411, 611308983), (1233, 203769661), (2603, 96522471), (7809, 32174157), (23427, 10724719)]