28546209

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 15362271

約数列:

[1, 3, 9, 27, 41, 107, 123, 241, 321, 369, 723, 963, 1107, 2169, 2889, 4387, 6507, 9881, 13161, 25787, 29643, 39483, 77361, 88929, 118449, 232083, 266787, 696249, 1057267, 3171801, 9515403, 28546209]

約数ペア:

[(1, 28546209), (3, 9515403), (9, 3171801), (27, 1057267), (41, 696249), (107, 266787), (123, 232083), (241, 118449), (321, 88929), (369, 77361), (723, 39483), (963, 29643), (1107, 25787), (2169, 13161), (2889, 9881), (4387, 6507)]