289705983

素因数分解:

$3^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{6217}}^1$

素因数の和:6551

約数の個数: 24

約数和(自身を含む): 450829872

約数和(自身を除く): 161123889

約数列:

[1, 3, 7, 21, 49, 147, 317, 951, 2219, 6217, 6657, 15533, 18651, 43519, 46599, 130557, 304633, 913899, 1970789, 5912367, 13795523, 41386569, 96568661, 289705983]

約数ペア:

[(1, 289705983), (3, 96568661), (7, 41386569), (21, 13795523), (49, 5912367), (147, 1970789), (317, 913899), (951, 304633), (2219, 130557), (6217, 46599), (6657, 43519), (15533, 18651)]