1990352859

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{143263}}^1$

素因数の和:143698

約数の個数: 16

約数和(自身を含む): 2901955584

約数和(自身を除く): 911602725

約数列:

[1, 3, 11, 33, 421, 1263, 4631, 13893, 143263, 429789, 1575893, 4727679, 60313723, 180941169, 663450953, 1990352859]

約数ペア:

[(1, 1990352859), (3, 663450953), (11, 180941169), (33, 60313723), (421, 4727679), (1263, 1575893), (4631, 429789), (13893, 143263)]