138215565

素因数分解:

$3^4\times 5^1\times {\mathrm{341273}}^1$

素因数の和:341290

約数の個数: 20

約数和(自身を含む): 247764924

約数和(自身を除く): 109549359

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 341273, 1023819, 1706365, 3071457, 5119095, 9214371, 15357285, 27643113, 46071855, 138215565]

約数ペア:

[(1, 138215565), (3, 46071855), (5, 27643113), (9, 15357285), (15, 9214371), (27, 5119095), (45, 3071457), (81, 1706365), (135, 1023819), (405, 341273)]