1393969905

素因数分解:

$3^4\times 5^1\times {\mathrm{3441901}}^1$

素因数の和:3441918

約数の個数: 20

約数和(自身を含む): 2498820852

約数和(自身を除く): 1104850947

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3441901, 10325703, 17209505, 30977109, 51628515, 92931327, 154885545, 278793981, 464656635, 1393969905]

約数ペア:

[(1, 1393969905), (3, 464656635), (5, 278793981), (9, 154885545), (15, 92931327), (27, 51628515), (45, 30977109), (81, 17209505), (135, 10325703), (405, 3441901)]