261644733

素因数分解:

$3^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{15439}}^1$

素因数の和:15721

約数の個数: 24

約数和(自身を含む): 433555200

約数和(自身を除く): 171910467

約数列:

[1, 3, 7, 9, 21, 63, 269, 807, 1883, 2421, 5649, 15439, 16947, 46317, 108073, 138951, 324219, 972657, 4153091, 12459273, 29071637, 37377819, 87214911, 261644733]

約数ペア:

[(1, 261644733), (3, 87214911), (7, 37377819), (9, 29071637), (21, 12459273), (63, 4153091), (269, 972657), (807, 324219), (1883, 138951), (2421, 108073), (5649, 46317), (15439, 16947)]