203495997

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 290820096

約数和(自身を除く): 87324099

約数列:

[1, 3, 31, 41, 83, 93, 123, 249, 643, 1271, 1929, 2573, 3403, 3813, 7719, 10209, 19933, 26363, 53369, 59799, 79089, 105493, 160107, 316479, 817253, 1654439, 2188129, 2451759, 4963317, 6564387, 67831999, 203495997]

約数ペア:

[(1, 203495997), (3, 67831999), (31, 6564387), (41, 4963317), (83, 2451759), (93, 2188129), (123, 1654439), (249, 817253), (643, 316479), (1271, 160107), (1929, 105493), (2573, 79089), (3403, 59799), (3813, 53369), (7719, 26363), (10209, 19933)]