1864918881

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^2\times {\mathrm{3089}}^1$

素因数の和:3183

約数の個数: 54

約数和(自身を含む): 3221593830

約数和(自身を除く): 1356674949

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1369, 1813, 2331, 3089, 4107, 5439, 9267, 9583, 12321, 16317, 21623, 27801, 28749, 64869, 67081, 86247, 114293, 151361, 194607, 201243, 342879, 454083, 603729, 800051, 1028637, 1362249, 2400153, 4228841, 5600357, 7200459, 12686523, 16801071, 29601887, 38059569, 50403213, 88805661, 207213209, 266416983, 621639627, 1864918881]

約数ペア:

[(1, 1864918881), (3, 621639627), (7, 266416983), (9, 207213209), (21, 88805661), (37, 50403213), (49, 38059569), (63, 29601887), (111, 16801071), (147, 12686523), (259, 7200459), (333, 5600357), (441, 4228841), (777, 2400153), (1369, 1362249), (1813, 1028637), (2331, 800051), (3089, 603729), (4107, 454083), (5439, 342879), (9267, 201243), (9583, 194607), (12321, 151361), (16317, 114293), (21623, 86247), (27801, 67081), (28749, 64869)]