28794975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 55413120

約数和(自身を除く): 26618145

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 121, 165, 167, 209, 275, 285, 363, 475, 501, 605, 627, 825, 835, 1045, 1425, 1815, 1837, 2299, 2505, 3025, 3135, 3173, 4175, 5225, 5511, 6897, 9075, 9185, 9519, 11495, 12525, 15675, 15865, 20207, 27555, 34485, 34903, 45925, 47595, 57475, 60621, 79325, 101035, 104709, 137775, 172425, 174515, 237975, 303105, 383933, 505175, 523545, 872575, 1151799, 1515525, 1919665, 2617725, 5758995, 9598325, 28794975]

約数ペア:

[(1, 28794975), (3, 9598325), (5, 5758995), (11, 2617725), (15, 1919665), (19, 1515525), (25, 1151799), (33, 872575), (55, 523545), (57, 505175), (75, 383933), (95, 303105), (121, 237975), (165, 174515), (167, 172425), (209, 137775), (275, 104709), (285, 101035), (363, 79325), (475, 60621), (501, 57475), (605, 47595), (627, 45925), (825, 34903), (835, 34485), (1045, 27555), (1425, 20207), (1815, 15865), (1837, 15675), (2299, 12525), (2505, 11495), (3025, 9519), (3135, 9185), (3173, 9075), (4175, 6897), (5225, 5511)]