138715521

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{9343}}^1$

素因数の和:9461

約数の個数: 24

約数和(自身を含む): 217304064

約数和(自身を除く): 78588543

約数列:

[1, 3, 7, 21, 49, 101, 147, 303, 707, 2121, 4949, 9343, 14847, 28029, 65401, 196203, 457807, 943643, 1373421, 2830929, 6605501, 19816503, 46238507, 138715521]

約数ペア:

[(1, 138715521), (3, 46238507), (7, 19816503), (21, 6605501), (49, 2830929), (101, 1373421), (147, 943643), (303, 457807), (707, 196203), (2121, 65401), (4949, 28029), (9343, 14847)]