65381841

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 112140288

約数和(自身を除く): 46758447

約数列:

[1, 3, 7, 9, 21, 47, 63, 71, 141, 213, 311, 329, 423, 497, 639, 933, 987, 1491, 2177, 2799, 2961, 3337, 4473, 6531, 10011, 14617, 19593, 22081, 23359, 30033, 43851, 66243, 70077, 102319, 131553, 154567, 198729, 210231, 306957, 463701, 920871, 1037807, 1391103, 3113421, 7264649, 9340263, 21793947, 65381841]

約数ペア:

[(1, 65381841), (3, 21793947), (7, 9340263), (9, 7264649), (21, 3113421), (47, 1391103), (63, 1037807), (71, 920871), (141, 463701), (213, 306957), (311, 210231), (329, 198729), (423, 154567), (497, 131553), (639, 102319), (933, 70077), (987, 66243), (1491, 43851), (2177, 30033), (2799, 23359), (2961, 22081), (3337, 19593), (4473, 14617), (6531, 10011)]