287491875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 534428928

約数和(自身を除く): 246937053

約数列:

[1, 3, 5, 11, 15, 25, 33, 53, 55, 75, 125, 159, 165, 263, 265, 275, 375, 583, 625, 789, 795, 825, 1315, 1325, 1375, 1749, 1875, 2893, 2915, 3945, 3975, 4125, 6575, 6625, 6875, 8679, 8745, 13939, 14465, 14575, 19725, 19875, 20625, 32875, 33125, 41817, 43395, 43725, 69695, 72325, 72875, 98625, 99375, 153329, 164375, 209085, 216975, 218625, 348475, 361625, 364375, 459987, 493125, 766645, 1045425, 1084875, 1093125, 1742375, 1808125, 2299935, 3833225, 5227125, 5424375, 8711875, 11499675, 19166125, 26135625, 57498375, 95830625, 287491875]

約数ペア:

[(1, 287491875), (3, 95830625), (5, 57498375), (11, 26135625), (15, 19166125), (25, 11499675), (33, 8711875), (53, 5424375), (55, 5227125), (75, 3833225), (125, 2299935), (159, 1808125), (165, 1742375), (263, 1093125), (265, 1084875), (275, 1045425), (375, 766645), (583, 493125), (625, 459987), (789, 364375), (795, 361625), (825, 348475), (1315, 218625), (1325, 216975), (1375, 209085), (1749, 164375), (1875, 153329), (2893, 99375), (2915, 98625), (3945, 72875), (3975, 72325), (4125, 69695), (6575, 43725), (6625, 43395), (6875, 41817), (8679, 33125), (8745, 32875), (13939, 20625), (14465, 19875), (14575, 19725)]