172394211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 258978816

約数和(自身を除く): 86584605

約数列:

[1, 3, 11, 33, 37, 111, 271, 407, 521, 813, 1221, 1563, 2981, 5731, 8943, 10027, 17193, 19277, 30081, 57831, 110297, 141191, 212047, 330891, 423573, 636141, 1553101, 4659303, 5224067, 15672201, 57464737, 172394211]

約数ペア:

[(1, 172394211), (3, 57464737), (11, 15672201), (33, 5224067), (37, 4659303), (111, 1553101), (271, 636141), (407, 423573), (521, 330891), (813, 212047), (1221, 141191), (1563, 110297), (2981, 57831), (5731, 30081), (8943, 19277), (10027, 17193)]