317972487

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 527335424

約数和(自身を除く): 209362937

約数列:

[1, 3, 7, 21, 31, 37, 43, 93, 111, 129, 217, 259, 301, 307, 651, 777, 903, 921, 1147, 1333, 1591, 2149, 3441, 3999, 4773, 6447, 8029, 9331, 9517, 11137, 11359, 13201, 24087, 27993, 28551, 33411, 34077, 39603, 49321, 66619, 79513, 92407, 147963, 199857, 238539, 277221, 345247, 352129, 409231, 488437, 1035741, 1056387, 1227693, 1465311, 2464903, 2864617, 3419059, 7394709, 8593851, 10257177, 15141547, 45424641, 105990829, 317972487]

約数ペア:

[(1, 317972487), (3, 105990829), (7, 45424641), (21, 15141547), (31, 10257177), (37, 8593851), (43, 7394709), (93, 3419059), (111, 2864617), (129, 2464903), (217, 1465311), (259, 1227693), (301, 1056387), (307, 1035741), (651, 488437), (777, 409231), (903, 352129), (921, 345247), (1147, 277221), (1333, 238539), (1591, 199857), (2149, 147963), (3441, 92407), (3999, 79513), (4773, 66619), (6447, 49321), (8029, 39603), (9331, 34077), (9517, 33411), (11137, 28551), (11359, 27993), (13201, 24087)]