421605

素因数分解:

$3^5\times 5^1\times {\mathrm{347}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 760032

約数和(自身を除く): 338427

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 347, 405, 1041, 1215, 1735, 3123, 5205, 9369, 15615, 28107, 46845, 84321, 140535, 421605]

約数ペア:

[(1, 421605), (3, 140535), (5, 84321), (9, 46845), (15, 28107), (27, 15615), (45, 9369), (81, 5205), (135, 3123), (243, 1735), (347, 1215), (405, 1041)]