28921869

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 42879200

約数和(自身を除く): 13957331

約数列:

[1, 3, 9, 61, 139, 183, 379, 417, 549, 1137, 1251, 3411, 8479, 23119, 25437, 52681, 69357, 76311, 158043, 208071, 474129, 3213541, 9640623, 28921869]

約数ペア:

[(1, 28921869), (3, 9640623), (9, 3213541), (61, 474129), (139, 208071), (183, 158043), (379, 76311), (417, 69357), (549, 52681), (1137, 25437), (1251, 23119), (3411, 8479)]