211040277

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{1381}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 339640320

約数和(自身を除く): 128600043

約数列:

[1, 3, 7, 19, 21, 57, 133, 383, 399, 1149, 1381, 2681, 4143, 7277, 8043, 9667, 21831, 26239, 29001, 50939, 78717, 152817, 183673, 528923, 551019, 1586769, 3702461, 10049537, 11107383, 30148611, 70346759, 211040277]

約数ペア:

[(1, 211040277), (3, 70346759), (7, 30148611), (19, 11107383), (21, 10049537), (57, 3702461), (133, 1586769), (383, 551019), (399, 528923), (1149, 183673), (1381, 152817), (2681, 78717), (4143, 50939), (7277, 29001), (8043, 26239), (9667, 21831)]