71442405

素因数分解:

$3^4\times 5^1\times {\mathrm{176401}}^1$

素因数の和:176418

約数の個数: 20

約数和(自身を含む): 128067852

約数和(自身を除く): 56625447

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 176401, 529203, 882005, 1587609, 2646015, 4762827, 7938045, 14288481, 23814135, 71442405]

約数ペア:

[(1, 71442405), (3, 23814135), (5, 14288481), (9, 7938045), (15, 4762827), (27, 2646015), (45, 1587609), (81, 882005), (135, 529203), (405, 176401)]