1899669471

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 3128832000

約数和(自身を除く): 1229162529

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 193, 237, 349, 357, 553, 579, 1047, 1343, 1351, 1659, 2443, 3281, 4029, 4053, 5933, 7329, 9401, 9843, 15247, 17799, 22967, 27571, 28203, 41531, 45741, 67357, 68901, 82713, 106729, 124593, 192997, 202071, 259199, 320187, 468707, 471499, 578991, 777597, 1145069, 1406121, 1414497, 1814393, 3280949, 3435207, 5321203, 5443179, 8015483, 9842847, 15963609, 24046449, 37248421, 90460451, 111745263, 271381353, 633223157, 1899669471]

約数ペア:

[(1, 1899669471), (3, 633223157), (7, 271381353), (17, 111745263), (21, 90460451), (51, 37248421), (79, 24046449), (119, 15963609), (193, 9842847), (237, 8015483), (349, 5443179), (357, 5321203), (553, 3435207), (579, 3280949), (1047, 1814393), (1343, 1414497), (1351, 1406121), (1659, 1145069), (2443, 777597), (3281, 578991), (4029, 471499), (4053, 468707), (5933, 320187), (7329, 259199), (9401, 202071), (9843, 192997), (15247, 124593), (17799, 106729), (22967, 82713), (27571, 68901), (28203, 67357), (41531, 45741)]