1386173817

素因数分解:

$3^6\times 7^1\times {\mathrm{271639}}^1$

素因数の和:271664

約数の個数: 28

約数和(自身を含む): 2375220160

約数和(自身を除く): 989046343

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 271639, 814917, 1901473, 2444751, 5704419, 7334253, 17113257, 22002759, 51339771, 66008277, 154019313, 198024831, 462057939, 1386173817]

約数ペア:

[(1, 1386173817), (3, 462057939), (7, 198024831), (9, 154019313), (21, 66008277), (27, 51339771), (63, 22002759), (81, 17113257), (189, 7334253), (243, 5704419), (567, 2444751), (729, 1901473), (1701, 814917), (5103, 271639)]