2153151

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 2040129

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 239, 273, 429, 693, 717, 819, 1001, 1287, 1673, 2151, 2629, 3003, 3107, 5019, 7887, 9009, 9321, 15057, 18403, 21749, 23661, 27963, 34177, 55209, 65247, 102531, 165627, 195741, 239239, 307593, 717717, 2153151]

約数ペア:

[(1, 2153151), (3, 717717), (7, 307593), (9, 239239), (11, 195741), (13, 165627), (21, 102531), (33, 65247), (39, 55209), (63, 34177), (77, 27963), (91, 23661), (99, 21749), (117, 18403), (143, 15057), (231, 9321), (239, 9009), (273, 7887), (429, 5019), (693, 3107), (717, 3003), (819, 2629), (1001, 2151), (1287, 1673)]