18408303

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:317

約数の個数: 40

約数和(自身を含む): 29516256

約数和(自身を除く): 11107953

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 207, 241, 369, 621, 723, 943, 1107, 1863, 2169, 2829, 3321, 5543, 6507, 8487, 9881, 16629, 19521, 25461, 29643, 49887, 76383, 88929, 149661, 227263, 266787, 448983, 681789, 800361, 2045367, 6136101, 18408303]

約数ペア:

[(1, 18408303), (3, 6136101), (9, 2045367), (23, 800361), (27, 681789), (41, 448983), (69, 266787), (81, 227263), (123, 149661), (207, 88929), (241, 76383), (369, 49887), (621, 29643), (723, 25461), (943, 19521), (1107, 16629), (1863, 9881), (2169, 8487), (2829, 6507), (3321, 5543)]