864290427

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{641}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 1553126400

約数和(自身を除く): 688835973

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 449, 641, 1001, 1347, 1923, 3003, 3143, 4487, 4939, 5837, 7051, 8333, 9429, 13461, 14817, 17511, 21153, 24999, 34573, 40859, 49357, 58331, 64207, 91663, 103719, 122577, 148071, 174993, 192621, 274989, 287809, 449449, 641641, 863427, 1348347, 1924923, 2014663, 3165899, 3741517, 6043989, 9497697, 11224551, 22161293, 26190619, 41156687, 66483879, 78571857, 123470061, 288096809, 864290427]

約数ペア:

[(1, 864290427), (3, 288096809), (7, 123470061), (11, 78571857), (13, 66483879), (21, 41156687), (33, 26190619), (39, 22161293), (77, 11224551), (91, 9497697), (143, 6043989), (231, 3741517), (273, 3165899), (429, 2014663), (449, 1924923), (641, 1348347), (1001, 863427), (1347, 641641), (1923, 449449), (3003, 287809), (3143, 274989), (4487, 192621), (4939, 174993), (5837, 148071), (7051, 122577), (8333, 103719), (9429, 91663), (13461, 64207), (14817, 58331), (17511, 49357), (21153, 40859), (24999, 34573)]