219293421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 335548224

約数和(自身を除く): 116254803

約数列:

[1, 3, 17, 19, 43, 51, 57, 129, 277, 323, 361, 731, 817, 831, 969, 1083, 2193, 2451, 4709, 5263, 6137, 11911, 13889, 14127, 15523, 15789, 18411, 35733, 41667, 46569, 89471, 99997, 202487, 226309, 263891, 268413, 299991, 607461, 678927, 791673, 1699949, 3847253, 4299871, 5099847, 11541759, 12899613, 73097807, 219293421]

約数ペア:

[(1, 219293421), (3, 73097807), (17, 12899613), (19, 11541759), (43, 5099847), (51, 4299871), (57, 3847253), (129, 1699949), (277, 791673), (323, 678927), (361, 607461), (731, 299991), (817, 268413), (831, 263891), (969, 226309), (1083, 202487), (2193, 99997), (2451, 89471), (4709, 46569), (5263, 41667), (6137, 35733), (11911, 18411), (13889, 15789), (14127, 15523)]