15420519

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 22913280

約数和(自身を除く): 7492761

約数列:

[1, 3, 9, 67, 107, 201, 239, 321, 603, 717, 963, 2151, 7169, 16013, 21507, 25573, 48039, 64521, 76719, 144117, 230157, 1713391, 5140173, 15420519]

約数ペア:

[(1, 15420519), (3, 5140173), (9, 1713391), (67, 230157), (107, 144117), (201, 76719), (239, 64521), (321, 48039), (603, 25573), (717, 21507), (963, 16013), (2151, 7169)]