219310551

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{491}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 331568640

約数和(自身を除く): 112258089

約数列:

[1, 3, 9, 27, 71, 213, 233, 491, 639, 699, 1473, 1917, 2097, 4419, 6291, 13257, 16543, 34861, 49629, 104583, 114403, 148887, 313749, 343209, 446661, 941247, 1029627, 3088881, 8122613, 24367839, 73103517, 219310551]

約数ペア:

[(1, 219310551), (3, 73103517), (9, 24367839), (27, 8122613), (71, 3088881), (213, 1029627), (233, 941247), (491, 446661), (639, 343209), (699, 313749), (1473, 148887), (1917, 114403), (2097, 104583), (4419, 49629), (6291, 34861), (13257, 16543)]