1809765

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 3171168

約数和(自身を除く): 1361403

約数列:

[1, 3, 5, 9, 15, 45, 131, 307, 393, 655, 921, 1179, 1535, 1965, 2763, 4605, 5895, 13815, 40217, 120651, 201085, 361953, 603255, 1809765]

約数ペア:

[(1, 1809765), (3, 603255), (5, 361953), (9, 201085), (15, 120651), (45, 40217), (131, 13815), (307, 5895), (393, 4605), (655, 2763), (921, 1965), (1179, 1535)]