2744847

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 4832256

約数和(自身を除く): 2087409

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 103, 141, 189, 309, 329, 423, 567, 721, 927, 987, 1269, 2163, 2781, 2961, 3807, 4841, 6489, 8343, 8883, 14523, 19467, 26649, 33887, 43569, 58401, 101661, 130707, 304983, 392121, 914949, 2744847]

約数ペア:

[(1, 2744847), (3, 914949), (7, 392121), (9, 304983), (21, 130707), (27, 101661), (47, 58401), (63, 43569), (81, 33887), (103, 26649), (141, 19467), (189, 14523), (309, 8883), (329, 8343), (423, 6489), (567, 4841), (721, 3807), (927, 2961), (987, 2781), (1269, 2163)]