28744815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 25376145

約数列:

[1, 3, 5, 11, 15, 19, 33, 53, 55, 57, 95, 159, 165, 173, 209, 265, 285, 519, 583, 627, 795, 865, 1007, 1045, 1749, 1903, 2595, 2915, 3021, 3135, 3287, 5035, 5709, 8745, 9169, 9515, 9861, 11077, 15105, 16435, 27507, 28545, 33231, 36157, 45845, 49305, 55385, 100859, 108471, 137535, 166155, 174211, 180785, 302577, 504295, 522633, 542355, 871055, 1512885, 1916321, 2613165, 5748963, 9581605, 28744815]

約数ペア:

[(1, 28744815), (3, 9581605), (5, 5748963), (11, 2613165), (15, 1916321), (19, 1512885), (33, 871055), (53, 542355), (55, 522633), (57, 504295), (95, 302577), (159, 180785), (165, 174211), (173, 166155), (209, 137535), (265, 108471), (285, 100859), (519, 55385), (583, 49305), (627, 45845), (795, 36157), (865, 33231), (1007, 28545), (1045, 27507), (1749, 16435), (1903, 15105), (2595, 11077), (2915, 9861), (3021, 9515), (3135, 9169), (3287, 8745), (5035, 5709)]