203430721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21407}}^1$

素因数の和:21480

約数の個数: 16

約数和(自身を含む): 237371904

約数和(自身を除く): 33941183

約数列:

[1, 13, 17, 43, 221, 559, 731, 9503, 21407, 278291, 363919, 920501, 4730947, 11966513, 15648517, 203430721]

約数ペア:

[(1, 203430721), (13, 15648517), (17, 11966513), (43, 4730947), (221, 920501), (559, 363919), (731, 278291), (9503, 21407)]