1378784883

素因数分解:

$3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{13009}}^1$

素因数の和:13136

約数の個数: 32

約数和(自身を含む): 2164864000

約数和(自身を除く): 786079117

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 343, 721, 1029, 2163, 5047, 13009, 15141, 35329, 39027, 91063, 105987, 273189, 637441, 1339927, 1912323, 4019781, 4462087, 9379489, 13386261, 28138467, 65656423, 196969269, 459594961, 1378784883]

約数ペア:

[(1, 1378784883), (3, 459594961), (7, 196969269), (21, 65656423), (49, 28138467), (103, 13386261), (147, 9379489), (309, 4462087), (343, 4019781), (721, 1912323), (1029, 1339927), (2163, 637441), (5047, 273189), (13009, 105987), (15141, 91063), (35329, 39027)]