78826041

素因数分解:

$3^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 142745600

約数和(自身を除く): 63919559

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 271, 399, 513, 567, 729, 813, 1197, 1539, 1701, 1897, 2187, 2439, 3591, 4617, 5103, 5149, 5691, 7317, 10773, 13851, 15309, 15447, 17073, 21951, 32319, 36043, 41553, 46341, 51219, 65853, 96957, 108129, 139023, 153657, 197559, 290871, 324387, 417069, 460971, 592677, 973161, 1251207, 1382913, 2919483, 3753621, 4148739, 8758449, 11260863, 26275347, 78826041]

約数ペア:

[(1, 78826041), (3, 26275347), (7, 11260863), (9, 8758449), (19, 4148739), (21, 3753621), (27, 2919483), (57, 1382913), (63, 1251207), (81, 973161), (133, 592677), (171, 460971), (189, 417069), (243, 324387), (271, 290871), (399, 197559), (513, 153657), (567, 139023), (729, 108129), (813, 96957), (1197, 65853), (1539, 51219), (1701, 46341), (1897, 41553), (2187, 36043), (2439, 32319), (3591, 21951), (4617, 17073), (5103, 15447), (5149, 15309), (5691, 13851), (7317, 10773)]