213835391

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 273262080

約数和(自身を除く): 59426689

約数列:

[1, 7, 11, 67, 77, 181, 229, 469, 737, 1267, 1603, 1991, 2519, 5159, 12127, 13937, 15343, 17633, 41449, 84889, 107401, 133397, 168773, 290143, 455939, 933779, 1181411, 2777083, 3191573, 19439581, 30547913, 213835391]

約数ペア:

[(1, 213835391), (7, 30547913), (11, 19439581), (67, 3191573), (77, 2777083), (181, 1181411), (229, 933779), (469, 455939), (737, 290143), (1267, 168773), (1603, 133397), (1991, 107401), (2519, 84889), (5159, 41449), (12127, 17633), (13937, 15343)]