1900197

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 3003000

約数和(自身を除く): 1102803

約数列:

[1, 3, 9, 13, 39, 109, 117, 149, 327, 447, 981, 1341, 1417, 1937, 4251, 5811, 12753, 16241, 17433, 48723, 146169, 211133, 633399, 1900197]

約数ペア:

[(1, 1900197), (3, 633399), (9, 211133), (13, 146169), (39, 48723), (109, 17433), (117, 16241), (149, 12753), (327, 5811), (447, 4251), (981, 1937), (1341, 1417)]