207922239

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 367630848

約数和(自身を除く): 159708609

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 67, 93, 147, 201, 217, 227, 279, 441, 469, 603, 651, 681, 1407, 1519, 1589, 1953, 2043, 2077, 3283, 4221, 4557, 4767, 6231, 7037, 9849, 11123, 13671, 14301, 14539, 15209, 18693, 21111, 29547, 33369, 43617, 45627, 49259, 63333, 100107, 101773, 106463, 130851, 136881, 147777, 305319, 319389, 344813, 443331, 471479, 745241, 915957, 958167, 1034439, 1414437, 2235723, 3103317, 3300353, 4243311, 6707169, 9901059, 23102471, 29703177, 69307413, 207922239]

約数ペア:

[(1, 207922239), (3, 69307413), (7, 29703177), (9, 23102471), (21, 9901059), (31, 6707169), (49, 4243311), (63, 3300353), (67, 3103317), (93, 2235723), (147, 1414437), (201, 1034439), (217, 958167), (227, 915957), (279, 745241), (441, 471479), (469, 443331), (603, 344813), (651, 319389), (681, 305319), (1407, 147777), (1519, 136881), (1589, 130851), (1953, 106463), (2043, 101773), (2077, 100107), (3283, 63333), (4221, 49259), (4557, 45627), (4767, 43617), (6231, 33369), (7037, 29547), (9849, 21111), (11123, 18693), (13671, 15209), (14301, 14539)]