1990719

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 3070080

約数和(自身を除く): 1079361

約数列:

[1, 3, 9, 23, 59, 69, 163, 177, 207, 489, 531, 1357, 1467, 3749, 4071, 9617, 11247, 12213, 28851, 33741, 86553, 221191, 663573, 1990719]

約数ペア:

[(1, 1990719), (3, 663573), (9, 221191), (23, 86553), (59, 33741), (69, 28851), (163, 12213), (177, 11247), (207, 9617), (489, 4071), (531, 3749), (1357, 1467)]