128440161

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{51151}}^1$

素因数の和:51194

約数の個数: 20

約数和(自身を含む): 198060544

約数和(自身を除く): 69620383

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 51151, 153453, 460359, 1381077, 1585681, 4143231, 4757043, 14271129, 42813387, 128440161]

約数ペア:

[(1, 128440161), (3, 42813387), (9, 14271129), (27, 4757043), (31, 4143231), (81, 1585681), (93, 1381077), (279, 460359), (837, 153453), (2511, 51151)]