142788303

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{83}}^2$

素因数の和:233

約数の個数: 54

約数和(自身を含む): 248015664

約数和(自身を除く): 105227361

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 83, 141, 147, 249, 329, 423, 441, 581, 747, 987, 1743, 2303, 2961, 3901, 4067, 5229, 6889, 6909, 11703, 12201, 20667, 20727, 27307, 35109, 36603, 48223, 62001, 81921, 144669, 191149, 245763, 323783, 337561, 434007, 573447, 971349, 1012683, 1720341, 2266481, 2914047, 3038049, 6799443, 15865367, 20398329, 47596101, 142788303]

約数ペア:

[(1, 142788303), (3, 47596101), (7, 20398329), (9, 15865367), (21, 6799443), (47, 3038049), (49, 2914047), (63, 2266481), (83, 1720341), (141, 1012683), (147, 971349), (249, 573447), (329, 434007), (423, 337561), (441, 323783), (581, 245763), (747, 191149), (987, 144669), (1743, 81921), (2303, 62001), (2961, 48223), (3901, 36603), (4067, 35109), (5229, 27307), (6889, 20727), (6909, 20667), (11703, 12201)]