28437585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 53637120

約数和(自身を除く): 25199535

約数列:

[1, 3, 5, 11, 15, 19, 33, 47, 55, 57, 95, 141, 165, 193, 209, 235, 285, 517, 579, 627, 705, 893, 965, 1045, 1551, 2123, 2585, 2679, 2895, 3135, 3667, 4465, 6369, 7755, 9071, 9823, 10615, 11001, 13395, 18335, 27213, 29469, 31845, 40337, 45355, 49115, 55005, 99781, 121011, 136065, 147345, 172349, 201685, 299343, 498905, 517047, 605055, 861745, 1496715, 1895839, 2585235, 5687517, 9479195, 28437585]

約数ペア:

[(1, 28437585), (3, 9479195), (5, 5687517), (11, 2585235), (15, 1895839), (19, 1496715), (33, 861745), (47, 605055), (55, 517047), (57, 498905), (95, 299343), (141, 201685), (165, 172349), (193, 147345), (209, 136065), (235, 121011), (285, 99781), (517, 55005), (579, 49115), (627, 45355), (705, 40337), (893, 31845), (965, 29469), (1045, 27213), (1551, 18335), (2123, 13395), (2585, 11001), (2679, 10615), (2895, 9823), (3135, 9071), (3667, 7755), (4465, 6369)]