991903773

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2053631}}^1$

素因数の和:2053664

約数の個数: 16

約数和(自身を含む): 1577189376

約数和(自身を除く): 585285603

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 2053631, 6160893, 14375417, 43126251, 47233513, 141700539, 330634591, 991903773]

約数ペア:

[(1, 991903773), (3, 330634591), (7, 141700539), (21, 47233513), (23, 43126251), (69, 14375417), (161, 6160893), (483, 2053631)]