13051720017

素因数分解:

$3^2\times 7^2\times {\mathrm{29595737}}^1$

素因数の和:29595757

約数の個数: 18

約数和(自身を含む): 21930441858

約数和(自身を除く): 8878721841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 29595737, 88787211, 207170159, 266361633, 621510477, 1450191113, 1864531431, 4350573339, 13051720017]

約数ペア:

[(1, 13051720017), (3, 4350573339), (7, 1864531431), (9, 1450191113), (21, 621510477), (49, 266361633), (63, 207170159), (147, 88787211), (441, 29595737)]