199424169

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{5081}}^1$

素因数の和:5190

約数の個数: 36

約数和(自身を含む): 338918580

約数和(自身を除く): 139494411

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 4361, 5081, 5607, 13083, 15243, 35567, 39249, 45729, 106701, 248969, 320103, 452209, 746907, 1356627, 2240721, 3165463, 4069881, 9496389, 22158241, 28489167, 66474723, 199424169]

約数ペア:

[(1, 199424169), (3, 66474723), (7, 28489167), (9, 22158241), (21, 9496389), (49, 4069881), (63, 3165463), (89, 2240721), (147, 1356627), (267, 746907), (441, 452209), (623, 320103), (801, 248969), (1869, 106701), (4361, 45729), (5081, 39249), (5607, 35567), (13083, 15243)]