291815091

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 456295840

約数和(自身を除く): 164480749

約数列:

[1, 3, 9, 19, 57, 73, 97, 171, 219, 241, 291, 657, 723, 873, 1387, 1843, 2169, 4161, 4579, 5529, 7081, 12483, 13737, 16587, 17593, 21243, 23377, 41211, 52779, 63729, 70131, 134539, 158337, 210393, 334267, 403617, 444163, 1002801, 1210851, 1332489, 1706521, 3008403, 3997467, 5119563, 15358689, 32423899, 97271697, 291815091]

約数ペア:

[(1, 291815091), (3, 97271697), (9, 32423899), (19, 15358689), (57, 5119563), (73, 3997467), (97, 3008403), (171, 1706521), (219, 1332489), (241, 1210851), (291, 1002801), (657, 444163), (723, 403617), (873, 334267), (1387, 210393), (1843, 158337), (2169, 134539), (4161, 70131), (4579, 63729), (5529, 52779), (7081, 41211), (12483, 23377), (13737, 21243), (16587, 17593)]