212711631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 342766080

約数和(自身を除く): 130054449

約数列:

[1, 3, 11, 19, 33, 37, 53, 57, 111, 159, 173, 209, 407, 519, 583, 627, 703, 1007, 1221, 1749, 1903, 1961, 2109, 3021, 3287, 5709, 5883, 6401, 7733, 9169, 9861, 11077, 19203, 21571, 23199, 27507, 33231, 36157, 37259, 64713, 70411, 100859, 108471, 111777, 121619, 174211, 211233, 302577, 339253, 364857, 409849, 522633, 1017759, 1229547, 1337809, 1916321, 3731783, 4013427, 5748963, 6445807, 11195349, 19337421, 70903877, 212711631]

約数ペア:

[(1, 212711631), (3, 70903877), (11, 19337421), (19, 11195349), (33, 6445807), (37, 5748963), (53, 4013427), (57, 3731783), (111, 1916321), (159, 1337809), (173, 1229547), (209, 1017759), (407, 522633), (519, 409849), (583, 364857), (627, 339253), (703, 302577), (1007, 211233), (1221, 174211), (1749, 121619), (1903, 111777), (1961, 108471), (2109, 100859), (3021, 70411), (3287, 64713), (5709, 37259), (5883, 36157), (6401, 33231), (7733, 27507), (9169, 23199), (9861, 21571), (11077, 19203)]