211050301

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 40

約数和(自身を含む): 275080608

約数和(自身を除く): 64030307

約数列:

[1, 7, 11, 49, 61, 77, 131, 343, 427, 539, 671, 917, 1441, 2401, 2989, 3773, 4697, 6419, 7991, 10087, 20923, 26411, 32879, 44933, 55937, 70609, 87901, 146461, 230153, 314531, 391559, 494263, 615307, 1611071, 2740913, 3459841, 4307149, 19186391, 30150043, 211050301]

約数ペア:

[(1, 211050301), (7, 30150043), (11, 19186391), (49, 4307149), (61, 3459841), (77, 2740913), (131, 1611071), (343, 615307), (427, 494263), (539, 391559), (671, 314531), (917, 230153), (1441, 146461), (2401, 87901), (2989, 70609), (3773, 55937), (4697, 44933), (6419, 32879), (7991, 26411), (10087, 20923)]