291222141

素因数分解:

$3^1\times 7^2\times {\mathrm{1187}}^1\times {\mathrm{1669}}^1$

素因数の和:2873

約数の個数: 24

約数和(自身を含む): 452342880

約数和(自身を除く): 161120739

約数列:

[1, 3, 7, 21, 49, 147, 1187, 1669, 3561, 5007, 8309, 11683, 24927, 35049, 58163, 81781, 174489, 245343, 1981103, 5943309, 13867721, 41603163, 97074047, 291222141]

約数ペア:

[(1, 291222141), (3, 97074047), (7, 41603163), (21, 13867721), (49, 5943309), (147, 1981103), (1187, 245343), (1669, 174489), (3561, 81781), (5007, 58163), (8309, 35049), (11683, 24927)]