291222825

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{29641}}^1$

素因数の和:29785

約数の個数: 24

約数和(自身を含む): 485180256

約数和(自身を除く): 193957431

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1965, 3275, 9825, 29641, 88923, 148205, 444615, 741025, 2223075, 3882971, 11648913, 19414855, 58244565, 97074275, 291222825]

約数ペア:

[(1, 291222825), (3, 97074275), (5, 58244565), (15, 19414855), (25, 11648913), (75, 3882971), (131, 2223075), (393, 741025), (655, 444615), (1965, 148205), (3275, 88923), (9825, 29641)]