16811409

素因数分解:

$3^1\times {\mathrm{19}}^4\times {\mathrm{43}}^1$

素因数の和:122

約数の個数: 20

約数和(自身を含む): 24210736

約数和(自身を除く): 7399327

約数列:

[1, 3, 19, 43, 57, 129, 361, 817, 1083, 2451, 6859, 15523, 20577, 46569, 130321, 294937, 390963, 884811, 5603803, 16811409]

約数ペア:

[(1, 16811409), (3, 5603803), (19, 884811), (43, 390963), (57, 294937), (129, 130321), (361, 46569), (817, 20577), (1083, 15523), (2451, 6859)]