890243703

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{207371}}^1$

素因数の和:207436

約数の個数: 20

約数和(自身を含む): 1354968648

約数和(自身を除く): 464724945

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 207371, 622113, 1866339, 5599017, 10990663, 16797051, 32971989, 98915967, 296747901, 890243703]

約数ペア:

[(1, 890243703), (3, 296747901), (9, 98915967), (27, 32971989), (53, 16797051), (81, 10990663), (159, 5599017), (477, 1866339), (1431, 622113), (4293, 207371)]