31813353

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 56871360

約数和(自身を除く): 25058007

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 99, 117, 143, 171, 209, 247, 429, 627, 741, 1287, 1301, 1881, 2223, 2717, 3903, 8151, 11709, 14311, 16913, 24453, 24719, 42933, 50739, 74157, 128799, 152217, 186043, 222471, 271909, 321347, 558129, 815727, 964041, 1674387, 2447181, 2892123, 3534817, 10604451, 31813353]

約数ペア:

[(1, 31813353), (3, 10604451), (9, 3534817), (11, 2892123), (13, 2447181), (19, 1674387), (33, 964041), (39, 815727), (57, 558129), (99, 321347), (117, 271909), (143, 222471), (171, 186043), (209, 152217), (247, 128799), (429, 74157), (627, 50739), (741, 42933), (1287, 24719), (1301, 24453), (1881, 16913), (2223, 14311), (2717, 11709), (3903, 8151)]