2139885

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 4213440

約数和(自身を除く): 2073555

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 131, 135, 165, 297, 363, 393, 495, 605, 655, 1089, 1179, 1441, 1485, 1815, 1965, 3267, 3537, 4323, 5445, 5895, 7205, 12969, 15851, 16335, 17685, 21615, 38907, 47553, 64845, 79255, 142659, 194535, 237765, 427977, 713295, 2139885]

約数ペア:

[(1, 2139885), (3, 713295), (5, 427977), (9, 237765), (11, 194535), (15, 142659), (27, 79255), (33, 64845), (45, 47553), (55, 38907), (99, 21615), (121, 17685), (131, 16335), (135, 15851), (165, 12969), (297, 7205), (363, 5895), (393, 5445), (495, 4323), (605, 3537), (655, 3267), (1089, 1965), (1179, 1815), (1441, 1485)]