2009747781

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2063}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 3185495040

約数和(自身を除く): 1175747259

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 211, 243, 513, 633, 1539, 1899, 2063, 4009, 4617, 5697, 6189, 12027, 17091, 18567, 36081, 39197, 51273, 55701, 108243, 117591, 167103, 324729, 352773, 435293, 501309, 974187, 1058319, 1305879, 3174957, 3917637, 8270567, 9524871, 11752911, 24811701, 35258733, 74435103, 105776199, 223305309, 669915927, 2009747781]

約数ペア:

[(1, 2009747781), (3, 669915927), (9, 223305309), (19, 105776199), (27, 74435103), (57, 35258733), (81, 24811701), (171, 11752911), (211, 9524871), (243, 8270567), (513, 3917637), (633, 3174957), (1539, 1305879), (1899, 1058319), (2063, 974187), (4009, 501309), (4617, 435293), (5697, 352773), (6189, 324729), (12027, 167103), (17091, 117591), (18567, 108243), (36081, 55701), (39197, 51273)]