68451999

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 119930880

約数和(自身を除く): 51478881

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 79, 93, 121, 217, 231, 237, 341, 363, 553, 651, 847, 869, 1023, 1331, 1659, 2387, 2449, 2541, 2607, 3751, 3993, 6083, 7161, 7347, 9317, 9559, 11253, 17143, 18249, 26257, 26939, 27951, 28677, 41261, 51429, 66913, 78771, 80817, 105149, 123783, 188573, 200739, 288827, 296329, 315447, 565719, 736043, 866481, 888987, 2074303, 2208129, 3259619, 6222909, 9778857, 22817333, 68451999]

約数ペア:

[(1, 68451999), (3, 22817333), (7, 9778857), (11, 6222909), (21, 3259619), (31, 2208129), (33, 2074303), (77, 888987), (79, 866481), (93, 736043), (121, 565719), (217, 315447), (231, 296329), (237, 288827), (341, 200739), (363, 188573), (553, 123783), (651, 105149), (847, 80817), (869, 78771), (1023, 66913), (1331, 51429), (1659, 41261), (2387, 28677), (2449, 27951), (2541, 26939), (2607, 26257), (3751, 18249), (3993, 17143), (6083, 11253), (7161, 9559), (7347, 9317)]