253453239

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1123}}^1$

素因数の和:1788

約数の個数: 32

約数和(自身を含む): 405359360

約数和(自身を除く): 151906121

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 643, 1123, 1929, 3369, 5787, 8359, 10107, 14599, 17361, 25077, 30321, 43797, 75231, 131391, 225693, 394173, 722089, 2166267, 6498801, 9387157, 19496403, 28161471, 84484413, 253453239]

約数ペア:

[(1, 253453239), (3, 84484413), (9, 28161471), (13, 19496403), (27, 9387157), (39, 6498801), (117, 2166267), (351, 722089), (643, 394173), (1123, 225693), (1929, 131391), (3369, 75231), (5787, 43797), (8359, 30321), (10107, 25077), (14599, 17361)]