61390287

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1301}}^1$

素因数の和:1428

約数の個数: 36

約数和(自身を含む): 104196456

約数和(自身を除く): 42806169

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 1301, 2247, 3903, 5243, 6741, 9107, 11709, 15729, 27321, 47187, 63749, 81963, 139207, 191247, 417621, 573741, 974449, 1252863, 2923347, 6821143, 8770041, 20463429, 61390287]

約数ペア:

[(1, 61390287), (3, 20463429), (7, 8770041), (9, 6821143), (21, 2923347), (49, 1252863), (63, 974449), (107, 573741), (147, 417621), (321, 191247), (441, 139207), (749, 81963), (963, 63749), (1301, 47187), (2247, 27321), (3903, 15729), (5243, 11709), (6741, 9107)]