201821997

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{12841}}^1$

素因数の和:12901

約数の個数: 24

約数和(自身を含む): 300811008

約数和(自身を除く): 98989011

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 1209, 5239, 12841, 15717, 38523, 166933, 398071, 500799, 1194213, 2170129, 5174923, 6510387, 15524769, 67273999, 201821997]

約数ペア:

[(1, 201821997), (3, 67273999), (13, 15524769), (31, 6510387), (39, 5174923), (93, 2170129), (169, 1194213), (403, 500799), (507, 398071), (1209, 166933), (5239, 38523), (12841, 15717)]