221420631

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3257}}^1$

素因数の和:3351

約数の個数: 32

約数和(自身を含む): 330283008

約数和(自身を除く): 108862377

約数列:

[1, 3, 17, 31, 43, 51, 93, 129, 527, 731, 1333, 1581, 2193, 3257, 3999, 9771, 22661, 55369, 67983, 100967, 140051, 166107, 302901, 420153, 1716439, 2380867, 4341581, 5149317, 7142601, 13024743, 73806877, 221420631]

約数ペア:

[(1, 221420631), (3, 73806877), (17, 13024743), (31, 7142601), (43, 5149317), (51, 4341581), (93, 2380867), (129, 1716439), (527, 420153), (731, 302901), (1333, 166107), (1581, 140051), (2193, 100967), (3257, 67983), (3999, 55369), (9771, 22661)]