890242563

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1\times {\mathrm{2557}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 1385003520

約数和(自身を除く): 494760957

約数列:

[1, 3, 7, 21, 59, 177, 281, 413, 843, 1239, 1967, 2557, 5901, 7671, 16579, 17899, 49737, 53697, 116053, 150863, 348159, 452589, 718517, 1056041, 2155551, 3168123, 5029619, 15088857, 42392503, 127177509, 296747521, 890242563]

約数ペア:

[(1, 890242563), (3, 296747521), (7, 127177509), (21, 42392503), (59, 15088857), (177, 5029619), (281, 3168123), (413, 2155551), (843, 1056041), (1239, 718517), (1967, 452589), (2557, 348159), (5901, 150863), (7671, 116053), (16579, 53697), (17899, 49737)]