620921161

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 753336320

約数和(自身を除く): 132415159

約数列:

[1, 7, 37, 43, 127, 259, 301, 439, 889, 1591, 3073, 4699, 5461, 11137, 16243, 18877, 32893, 38227, 55753, 113701, 132139, 202057, 390271, 698449, 1414399, 2062861, 2397379, 4889143, 14440027, 16781653, 88703023, 620921161]

約数ペア:

[(1, 620921161), (7, 88703023), (37, 16781653), (43, 14440027), (127, 4889143), (259, 2397379), (301, 2062861), (439, 1414399), (889, 698449), (1591, 390271), (3073, 202057), (4699, 132139), (5461, 113701), (11137, 55753), (16243, 38227), (18877, 32893)]