209541227

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{2741}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 244630272

約数和(自身を除く): 35089045

約数列:

[1, 7, 67, 163, 469, 1141, 2741, 10921, 19187, 76447, 183647, 446783, 1285529, 3127481, 29934461, 209541227]

約数ペア:

[(1, 209541227), (7, 29934461), (67, 3127481), (163, 1285529), (469, 446783), (1141, 183647), (2741, 76447), (10921, 19187)]