209761779

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{3137}}^1$

素因数の和:3890

約数の個数: 16

約数和(自身を含む): 289198080

約数和(自身を除く): 79436301

約数列:

[1, 3, 31, 93, 719, 2157, 3137, 9411, 22289, 66867, 97247, 291741, 2255503, 6766509, 69920593, 209761779]

約数ペア:

[(1, 209761779), (3, 69920593), (31, 6766509), (93, 2255503), (719, 291741), (2157, 97247), (3137, 66867), (9411, 22289)]