121985787

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 207931136

約数和(自身を除く): 85945349

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 121, 183, 231, 363, 427, 671, 787, 847, 1281, 2013, 2361, 2541, 4697, 5509, 7381, 8657, 14091, 16527, 22143, 25971, 48007, 51667, 60599, 95227, 144021, 155001, 181797, 285681, 336049, 528077, 666589, 1008147, 1584231, 1999767, 3696539, 5808847, 11089617, 17426541, 40661929, 121985787]

約数ペア:

[(1, 121985787), (3, 40661929), (7, 17426541), (11, 11089617), (21, 5808847), (33, 3696539), (61, 1999767), (77, 1584231), (121, 1008147), (183, 666589), (231, 528077), (363, 336049), (427, 285681), (671, 181797), (787, 155001), (847, 144021), (1281, 95227), (2013, 60599), (2361, 51667), (2541, 48007), (4697, 25971), (5509, 22143), (7381, 16527), (8657, 14091)]