661574061

素因数分解:

$3^7\times {\mathrm{373}}^1\times {\mathrm{811}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 996096640

約数和(自身を除く): 334522579

約数列:

[1, 3, 9, 27, 81, 243, 373, 729, 811, 1119, 2187, 2433, 3357, 7299, 10071, 21897, 30213, 65691, 90639, 197073, 271917, 302503, 591219, 815751, 907509, 1773657, 2722527, 8167581, 24502743, 73508229, 220524687, 661574061]

約数ペア:

[(1, 661574061), (3, 220524687), (9, 73508229), (27, 24502743), (81, 8167581), (243, 2722527), (373, 1773657), (729, 907509), (811, 815751), (1119, 591219), (2187, 302503), (2433, 271917), (3357, 197073), (7299, 90639), (10071, 65691), (21897, 30213)]