25121895

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 42631680

約数和(自身を除く): 17509785

約数列:

[1, 3, 5, 15, 19, 57, 95, 181, 285, 487, 543, 905, 1461, 2435, 2715, 3439, 7305, 9253, 10317, 17195, 27759, 46265, 51585, 88147, 138795, 264441, 440735, 1322205, 1674793, 5024379, 8373965, 25121895]

約数ペア:

[(1, 25121895), (3, 8373965), (5, 5024379), (15, 1674793), (19, 1322205), (57, 440735), (95, 264441), (181, 138795), (285, 88147), (487, 51585), (543, 46265), (905, 27759), (1461, 17195), (2435, 10317), (2715, 9253), (3439, 7305)]