211319661

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{853}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 330559488

約数和(自身を除く): 119239827

約数列:

[1, 3, 7, 21, 47, 141, 251, 329, 753, 853, 987, 1757, 2559, 5271, 5971, 11797, 17913, 35391, 40091, 82579, 120273, 214103, 247737, 280637, 642309, 841911, 1498721, 4496163, 10062841, 30188523, 70439887, 211319661]

約数ペア:

[(1, 211319661), (3, 70439887), (7, 30188523), (21, 10062841), (47, 4496163), (141, 1498721), (251, 841911), (329, 642309), (753, 280637), (853, 247737), (987, 214103), (1757, 120273), (2559, 82579), (5271, 40091), (5971, 35391), (11797, 17913)]