172619209

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{21881}}^1$

素因数の和:21925

約数の個数: 16

約数和(自身を含む): 210067200

約数和(自身を除く): 37447991

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 21881, 153167, 503263, 1072169, 3522841, 7505183, 24659887, 172619209]

約数ペア:

[(1, 172619209), (7, 24659887), (23, 7505183), (49, 3522841), (161, 1072169), (343, 503263), (1127, 153167), (7889, 21881)]