198491013

素因数分解:

$3^3\times 7^3\times {\mathrm{21433}}^1$

素因数の和:21463

約数の個数: 32

約数和(自身を含む): 342944000

約数和(自身を除く): 144452987

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 21433, 64299, 150031, 192897, 450093, 578691, 1050217, 1350279, 3150651, 4050837, 7351519, 9451953, 22054557, 28355859, 66163671, 198491013]

約数ペア:

[(1, 198491013), (3, 66163671), (7, 28355859), (9, 22054557), (21, 9451953), (27, 7351519), (49, 4050837), (63, 3150651), (147, 1350279), (189, 1050217), (343, 578691), (441, 450093), (1029, 192897), (1323, 150031), (3087, 64299), (9261, 21433)]