1387269

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 2201472

約数和(自身を除く): 814203

約数列:

[1, 3, 9, 13, 39, 71, 117, 167, 213, 501, 639, 923, 1503, 2171, 2769, 6513, 8307, 11857, 19539, 35571, 106713, 154141, 462423, 1387269]

約数ペア:

[(1, 1387269), (3, 462423), (9, 154141), (13, 106713), (39, 35571), (71, 19539), (117, 11857), (167, 8307), (213, 6513), (501, 2769), (639, 2171), (923, 1503)]