90398727

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 138485760

約数和(自身を除く): 48087033

約数列:

[1, 3, 9, 27, 41, 123, 127, 369, 381, 643, 1107, 1143, 1929, 3429, 5207, 5787, 15621, 17361, 26363, 46863, 79089, 81661, 140589, 237267, 244983, 711801, 734949, 2204847, 3348101, 10044303, 30132909, 90398727]

約数ペア:

[(1, 90398727), (3, 30132909), (9, 10044303), (27, 3348101), (41, 2204847), (123, 734949), (127, 711801), (369, 244983), (381, 237267), (643, 140589), (1107, 81661), (1143, 79089), (1929, 46863), (3429, 26363), (5207, 17361), (5787, 15621)]