218123007

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 319265280

約数和(自身を除く): 101142273

約数列:

[1, 3, 23, 29, 61, 69, 87, 183, 667, 1403, 1769, 1787, 2001, 4209, 5307, 5361, 40687, 41101, 51823, 109007, 122061, 123303, 155469, 327021, 1191929, 2507161, 3161203, 3575787, 7521483, 9483609, 72707669, 218123007]

約数ペア:

[(1, 218123007), (3, 72707669), (23, 9483609), (29, 7521483), (61, 3575787), (69, 3161203), (87, 2507161), (183, 1191929), (667, 327021), (1403, 155469), (1769, 123303), (1787, 122061), (2001, 109007), (4209, 51823), (5307, 41101), (5361, 40687)]