61209981

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{33503}}^1$

素因数の和:33545

約数の個数: 24

約数和(自身を含む): 104532480

約数和(自身を除く): 43322499

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 33503, 100509, 234521, 301527, 703563, 971587, 2110689, 2914761, 6801109, 8744283, 20403327, 61209981]

約数ペア:

[(1, 61209981), (3, 20403327), (7, 8744283), (9, 6801109), (21, 2914761), (29, 2110689), (63, 971587), (87, 703563), (203, 301527), (261, 234521), (609, 100509), (1827, 33503)]