15940323

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{601}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 26420576

約数和(自身を除く): 10480253

約数列:

[1, 3, 7, 9, 21, 63, 421, 601, 1263, 1803, 2947, 3789, 4207, 5409, 8841, 12621, 26523, 37863, 253021, 759063, 1771147, 2277189, 5313441, 15940323]

約数ペア:

[(1, 15940323), (3, 5313441), (7, 2277189), (9, 1771147), (21, 759063), (63, 253021), (421, 37863), (601, 26523), (1263, 12621), (1803, 8841), (2947, 5409), (3789, 4207)]