209366171

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{26539}}^1$

素因数の和:26583

約数の個数: 16

約数和(自身を含む): 254784000

約数和(自身を除く): 45417829

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 26539, 185773, 610397, 1300411, 4272779, 9102877, 29909453, 209366171]

約数ペア:

[(1, 209366171), (7, 29909453), (23, 9102877), (49, 4272779), (161, 1300411), (343, 610397), (1127, 185773), (7889, 26539)]