15520491

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:933

約数の個数: 40

約数和(自身を含む): 27382784

約数和(自身を除く): 11862293

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 883, 1953, 2511, 2649, 5859, 6181, 7947, 17577, 18543, 23841, 27373, 55629, 71523, 82119, 166887, 191611, 246357, 500661, 574833, 739071, 1724499, 2217213, 5173497, 15520491]

約数ペア:

[(1, 15520491), (3, 5173497), (7, 2217213), (9, 1724499), (21, 739071), (27, 574833), (31, 500661), (63, 246357), (81, 191611), (93, 166887), (189, 82119), (217, 71523), (279, 55629), (567, 27373), (651, 23841), (837, 18543), (883, 17577), (1953, 7947), (2511, 6181), (2649, 5859)]