211369697

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{4091}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 269941056

約数和(自身を除く): 58571359

約数列:

[1, 7, 11, 61, 77, 121, 427, 671, 847, 4091, 4697, 7381, 28637, 45001, 51667, 249551, 315007, 495011, 1746857, 2745061, 3465077, 19215427, 30195671, 211369697]

約数ペア:

[(1, 211369697), (7, 30195671), (11, 19215427), (61, 3465077), (77, 2745061), (121, 1746857), (427, 495011), (671, 315007), (847, 249551), (4091, 51667), (4697, 45001), (7381, 28637)]