27900747

素因数分解:

$3^3\times 7^2\times {\mathrm{21089}}^1$

素因数の和:21112

約数の個数: 24

約数和(自身を含む): 48085200

約数和(自身を除く): 20184453

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21089, 63267, 147623, 189801, 442869, 569403, 1033361, 1328607, 3100083, 3985821, 9300249, 27900747]

約数ペア:

[(1, 27900747), (3, 9300249), (7, 3985821), (9, 3100083), (21, 1328607), (27, 1033361), (49, 569403), (63, 442869), (147, 189801), (189, 147623), (441, 63267), (1323, 21089)]