209565621

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:310

約数の個数: 36

約数和(自身を含む): 315474432

約数和(自身を除く): 105908811

約数列:

[1, 3, 9, 47, 83, 127, 141, 249, 381, 423, 747, 1143, 2209, 3901, 5969, 6627, 10541, 11703, 17907, 19881, 31623, 35109, 53721, 94869, 183347, 280543, 495427, 550041, 841629, 1486281, 1650123, 2524887, 4458843, 23285069, 69855207, 209565621]

約数ペア:

[(1, 209565621), (3, 69855207), (9, 23285069), (47, 4458843), (83, 2524887), (127, 1650123), (141, 1486281), (249, 841629), (381, 550041), (423, 495427), (747, 280543), (1143, 183347), (2209, 94869), (3901, 53721), (5969, 35109), (6627, 31623), (10541, 19881), (11703, 17907)]