220668831

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{2953}}^1$

素因数の和:3020

約数の個数: 36

約数和(自身を含む): 351147888

約数和(自身を除く): 130479057

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 361, 437, 1083, 1311, 2953, 3249, 3933, 8303, 8859, 24909, 26577, 56107, 67919, 74727, 168321, 203757, 504963, 611271, 1066033, 1290461, 3198099, 3871383, 9594297, 11614149, 24518759, 73556277, 220668831]

約数ペア:

[(1, 220668831), (3, 73556277), (9, 24518759), (19, 11614149), (23, 9594297), (57, 3871383), (69, 3198099), (171, 1290461), (207, 1066033), (361, 611271), (437, 504963), (1083, 203757), (1311, 168321), (2953, 74727), (3249, 67919), (3933, 56107), (8303, 26577), (8859, 24909)]