291204621

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{1907}}^1$

素因数の和:1998

約数の個数: 36

約数和(自身を含む): 453615552

約数和(自身を除く): 162410931

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 361, 423, 893, 1083, 1907, 2679, 3249, 5721, 8037, 16967, 17163, 36233, 50901, 89629, 108699, 152703, 268887, 326097, 688427, 806661, 1702951, 2065281, 5108853, 6195843, 15326559, 32356069, 97068207, 291204621]

約数ペア:

[(1, 291204621), (3, 97068207), (9, 32356069), (19, 15326559), (47, 6195843), (57, 5108853), (141, 2065281), (171, 1702951), (361, 806661), (423, 688427), (893, 326097), (1083, 268887), (1907, 152703), (2679, 108699), (3249, 89629), (5721, 50901), (8037, 36233), (16967, 17163)]