199945509

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1\times {\mathrm{5147}}^1$

素因数の和:5736

約数の個数: 16

約数和(自身を含む): 278733312

約数和(自身を除く): 78787803

約数列:

[1, 3, 23, 69, 563, 1689, 5147, 12949, 15441, 38847, 118381, 355143, 2897761, 8693283, 66648503, 199945509]

約数ペア:

[(1, 199945509), (3, 66648503), (23, 8693283), (69, 2897761), (563, 355143), (1689, 118381), (5147, 38847), (12949, 15441)]