16132221

素因数分解:

$3^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:410

約数の個数: 36

約数和(自身を含む): 27396252

約数和(自身を除く): 11264031

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 157, 233, 441, 471, 699, 1099, 1413, 1631, 2097, 3297, 4893, 7693, 9891, 11417, 14679, 23079, 34251, 36581, 69237, 102753, 109743, 256067, 329229, 768201, 1792469, 2304603, 5377407, 16132221]

約数ペア:

[(1, 16132221), (3, 5377407), (7, 2304603), (9, 1792469), (21, 768201), (49, 329229), (63, 256067), (147, 109743), (157, 102753), (233, 69237), (441, 36581), (471, 34251), (699, 23079), (1099, 14679), (1413, 11417), (1631, 9891), (2097, 7693), (3297, 4893)]