15239421

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4003}}^1$

素因数の和:4062

約数の個数: 20

約数和(自身を含む): 23255232

約数和(自身を除く): 8015811

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4003, 12009, 36027, 108081, 188141, 324243, 564423, 1693269, 5079807, 15239421]

約数ペア:

[(1, 15239421), (3, 5079807), (9, 1693269), (27, 564423), (47, 324243), (81, 188141), (141, 108081), (423, 36027), (1269, 12009), (3807, 4003)]